20893370080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{1123}}^1$

素因数の和:1222

約数の個数: 216

約数和(自身を含む): 56112420168

約数和(自身を除く): 35219050088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 440, 484, 496, 605, 620, 682, 880, 961, 968, 992, 1123, 1210, 1240, 1364, 1705, 1760, 1922, 1936, 2246, 2420, 2480, 2728, 3410, 3751, 3844, 3872, 4492, 4805, 4840, 4960, 5456, 5615, 6820, 7502, 7688, 8984, 9610, 9680, 10571, 10912, 11230, 12353, 13640, 15004, 15376, 17968, 18755, 19220, 19360, 21142, 22460, 24706, 27280, 30008, 30752, 34813, 35936, 37510, 38440, 42284, 44920, 49412, 52855, 54560, 60016, 61765, 69626, 75020, 76880, 84568, 89840, 98824, 105710, 116281, 120032, 123530, 135883, 139252, 150040, 153760, 169136, 174065, 179680, 197648, 211420, 232562, 247060, 271766, 278504, 300080, 338272, 348130, 382943, 395296, 422840, 465124, 494120, 543532, 557008, 581405, 600160, 679415, 696260, 765886, 845680, 930248, 988240, 1079203, 1087064, 1114016, 1162810, 1358830, 1392520, 1531772, 1691360, 1860496, 1914715, 1976480, 2158406, 2174128, 2325620, 2717660, 2785040, 3063544, 3720992, 3829430, 4212373, 4316812, 4348256, 4651240, 5396015, 5435320, 5570080, 6127088, 7658860, 8424746, 8633624, 9302480, 10792030, 10870640, 11871233, 12254176, 15317720, 16849492, 17267248, 18604960, 21061865, 21584060, 21741280, 23742466, 30635440, 33698984, 34534496, 42123730, 43168120, 47484932, 59356165, 61270880, 67397968, 84247460, 86336240, 94969864, 118712330, 130583563, 134795936, 168494920, 172672480, 189939728, 237424660, 261167126, 336989840, 379879456, 474849320, 522334252, 652917815, 673979680, 949698640, 1044668504, 1305835630, 1899397280, 2089337008, 2611671260, 4178674016, 5223342520, 10446685040, 20893370080]

約数ペア:

[(1, 20893370080), (2, 10446685040), (4, 5223342520), (5, 4178674016), (8, 2611671260), (10, 2089337008), (11, 1899397280), (16, 1305835630), (20, 1044668504), (22, 949698640), (31, 673979680), (32, 652917815), (40, 522334252), (44, 474849320), (55, 379879456), (62, 336989840), (80, 261167126), (88, 237424660), (110, 189939728), (121, 172672480), (124, 168494920), (155, 134795936), (160, 130583563), (176, 118712330), (220, 94969864), (242, 86336240), (248, 84247460), (310, 67397968), (341, 61270880), (352, 59356165), (440, 47484932), (484, 43168120), (496, 42123730), (605, 34534496), (620, 33698984), (682, 30635440), (880, 23742466), (961, 21741280), (968, 21584060), (992, 21061865), (1123, 18604960), (1210, 17267248), (1240, 16849492), (1364, 15317720), (1705, 12254176), (1760, 11871233), (1922, 10870640), (1936, 10792030), (2246, 9302480), (2420, 8633624), (2480, 8424746), (2728, 7658860), (3410, 6127088), (3751, 5570080), (3844, 5435320), (3872, 5396015), (4492, 4651240), (4805, 4348256), (4840, 4316812), (4960, 4212373), (5456, 3829430), (5615, 3720992), (6820, 3063544), (7502, 2785040), (7688, 2717660), (8984, 2325620), (9610, 2174128), (9680, 2158406), (10571, 1976480), (10912, 1914715), (11230, 1860496), (12353, 1691360), (13640, 1531772), (15004, 1392520), (15376, 1358830), (17968, 1162810), (18755, 1114016), (19220, 1087064), (19360, 1079203), (21142, 988240), (22460, 930248), (24706, 845680), (27280, 765886), (30008, 696260), (30752, 679415), (34813, 600160), (35936, 581405), (37510, 557008), (38440, 543532), (42284, 494120), (44920, 465124), (49412, 422840), (52855, 395296), (54560, 382943), (60016, 348130), (61765, 338272), (69626, 300080), (75020, 278504), (76880, 271766), (84568, 247060), (89840, 232562), (98824, 211420), (105710, 197648), (116281, 179680), (120032, 174065), (123530, 169136), (135883, 153760), (139252, 150040)]