20733156640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{337}}^2$

素因数の和:859

約数の個数: 144

約数和(自身を含む): 56490581952

約数和(自身を除く): 35757425312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 163, 224, 280, 326, 337, 560, 652, 674, 815, 1120, 1141, 1304, 1348, 1630, 1685, 2282, 2359, 2608, 2696, 3260, 3370, 4564, 4718, 5216, 5392, 5705, 6520, 6740, 9128, 9436, 10784, 11410, 11795, 13040, 13480, 18256, 18872, 22820, 23590, 26080, 26960, 36512, 37744, 45640, 47180, 53920, 54931, 75488, 91280, 94360, 109862, 113569, 182560, 188720, 219724, 227138, 274655, 377440, 384517, 439448, 454276, 549310, 567845, 769034, 794983, 878896, 908552, 1098620, 1135690, 1538068, 1589966, 1757792, 1817104, 1922585, 2197240, 2271380, 3076136, 3179932, 3634208, 3845170, 3974915, 4394480, 4542760, 6152272, 6359864, 7690340, 7949830, 8788960, 9085520, 12304544, 12719728, 15380680, 15899660, 18171040, 18511747, 25439456, 30761360, 31799320, 37023494, 61522720, 63598640, 74046988, 92558735, 127197280, 129582229, 148093976, 185117470, 259164458, 296187952, 370234940, 518328916, 592375904, 647911145, 740469880, 1036657832, 1295822290, 1480939760, 2073315664, 2591644580, 2961879520, 4146631328, 5183289160, 10366578320, 20733156640]

約数ペア:

[(1, 20733156640), (2, 10366578320), (4, 5183289160), (5, 4146631328), (7, 2961879520), (8, 2591644580), (10, 2073315664), (14, 1480939760), (16, 1295822290), (20, 1036657832), (28, 740469880), (32, 647911145), (35, 592375904), (40, 518328916), (56, 370234940), (70, 296187952), (80, 259164458), (112, 185117470), (140, 148093976), (160, 129582229), (163, 127197280), (224, 92558735), (280, 74046988), (326, 63598640), (337, 61522720), (560, 37023494), (652, 31799320), (674, 30761360), (815, 25439456), (1120, 18511747), (1141, 18171040), (1304, 15899660), (1348, 15380680), (1630, 12719728), (1685, 12304544), (2282, 9085520), (2359, 8788960), (2608, 7949830), (2696, 7690340), (3260, 6359864), (3370, 6152272), (4564, 4542760), (4718, 4394480), (5216, 3974915), (5392, 3845170), (5705, 3634208), (6520, 3179932), (6740, 3076136), (9128, 2271380), (9436, 2197240), (10784, 1922585), (11410, 1817104), (11795, 1757792), (13040, 1589966), (13480, 1538068), (18256, 1135690), (18872, 1098620), (22820, 908552), (23590, 878896), (26080, 794983), (26960, 769034), (36512, 567845), (37744, 549310), (45640, 454276), (47180, 439448), (53920, 384517), (54931, 377440), (75488, 274655), (91280, 227138), (94360, 219724), (109862, 188720), (113569, 182560)]