20710338560

素因数分解:

$2^{12}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:398

約数の個数: 208

約数和(自身を含む): 51663847872

約数和(自身を除く): 30953509312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 151, 160, 181, 185, 256, 296, 302, 320, 362, 370, 512, 592, 604, 640, 724, 740, 755, 905, 1024, 1184, 1208, 1280, 1448, 1480, 1510, 1810, 2048, 2368, 2416, 2560, 2896, 2960, 3020, 3620, 4096, 4736, 4832, 5120, 5587, 5792, 5920, 6040, 6697, 7240, 9472, 9664, 10240, 11174, 11584, 11840, 12080, 13394, 14480, 18944, 19328, 20480, 22348, 23168, 23680, 24160, 26788, 27331, 27935, 28960, 33485, 37888, 38656, 44696, 46336, 47360, 48320, 53576, 54662, 55870, 57920, 66970, 75776, 77312, 89392, 92672, 94720, 96640, 107152, 109324, 111740, 115840, 133940, 136655, 151552, 154624, 178784, 185344, 189440, 193280, 214304, 218648, 223480, 231680, 267880, 273310, 309248, 357568, 370688, 378880, 386560, 428608, 437296, 446960, 463360, 535760, 546620, 618496, 715136, 741376, 757760, 773120, 857216, 874592, 893920, 926720, 1011247, 1071520, 1093240, 1430272, 1546240, 1714432, 1749184, 1787840, 1853440, 2022494, 2143040, 2186480, 2860544, 3092480, 3428864, 3498368, 3575680, 3706880, 4044988, 4286080, 4372960, 5056235, 5721088, 6857728, 6996736, 7151360, 8089976, 8572160, 8745920, 10112470, 11442176, 13715456, 13993472, 14302720, 16179952, 17144320, 17491840, 20224940, 22884352, 27430912, 27986944, 28605440, 32359904, 34288640, 34983680, 40449880, 55973888, 57210880, 64719808, 68577280, 69967360, 80899760, 111947776, 114421760, 129439616, 137154560, 139934720, 161799520, 258879232, 279869440, 323599040, 517758464, 559738880, 647198080, 1035516928, 1294396160, 2071033856, 2588792320, 4142067712, 5177584640, 10355169280, 20710338560]

約数ペア:

[(1, 20710338560), (2, 10355169280), (4, 5177584640), (5, 4142067712), (8, 2588792320), (10, 2071033856), (16, 1294396160), (20, 1035516928), (32, 647198080), (37, 559738880), (40, 517758464), (64, 323599040), (74, 279869440), (80, 258879232), (128, 161799520), (148, 139934720), (151, 137154560), (160, 129439616), (181, 114421760), (185, 111947776), (256, 80899760), (296, 69967360), (302, 68577280), (320, 64719808), (362, 57210880), (370, 55973888), (512, 40449880), (592, 34983680), (604, 34288640), (640, 32359904), (724, 28605440), (740, 27986944), (755, 27430912), (905, 22884352), (1024, 20224940), (1184, 17491840), (1208, 17144320), (1280, 16179952), (1448, 14302720), (1480, 13993472), (1510, 13715456), (1810, 11442176), (2048, 10112470), (2368, 8745920), (2416, 8572160), (2560, 8089976), (2896, 7151360), (2960, 6996736), (3020, 6857728), (3620, 5721088), (4096, 5056235), (4736, 4372960), (4832, 4286080), (5120, 4044988), (5587, 3706880), (5792, 3575680), (5920, 3498368), (6040, 3428864), (6697, 3092480), (7240, 2860544), (9472, 2186480), (9664, 2143040), (10240, 2022494), (11174, 1853440), (11584, 1787840), (11840, 1749184), (12080, 1714432), (13394, 1546240), (14480, 1430272), (18944, 1093240), (19328, 1071520), (20480, 1011247), (22348, 926720), (23168, 893920), (23680, 874592), (24160, 857216), (26788, 773120), (27331, 757760), (27935, 741376), (28960, 715136), (33485, 618496), (37888, 546620), (38656, 535760), (44696, 463360), (46336, 446960), (47360, 437296), (48320, 428608), (53576, 386560), (54662, 378880), (55870, 370688), (57920, 357568), (66970, 309248), (75776, 273310), (77312, 267880), (89392, 231680), (92672, 223480), (94720, 218648), (96640, 214304), (107152, 193280), (109324, 189440), (111740, 185344), (115840, 178784), (133940, 154624), (136655, 151552)]