20861760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:752

約数の個数: 112

約数和(自身を含む): 68470272

約数和(自身を除く): 47608512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 701, 744, 930, 960, 992, 1240, 1402, 1488, 1860, 1984, 2103, 2480, 2804, 2976, 3505, 3720, 4206, 4960, 5608, 5952, 7010, 7440, 8412, 9920, 10515, 11216, 14020, 14880, 16824, 21030, 21731, 22432, 28040, 29760, 33648, 42060, 43462, 44864, 56080, 65193, 67296, 84120, 86924, 108655, 112160, 130386, 134592, 168240, 173848, 217310, 224320, 260772, 325965, 336480, 347696, 434620, 521544, 651930, 672960, 695392, 869240, 1043088, 1303860, 1390784, 1738480, 2086176, 2607720, 3476960, 4172352, 5215440, 6953920, 10430880, 20861760]

約数ペア:

[(1, 20861760), (2, 10430880), (3, 6953920), (4, 5215440), (5, 4172352), (6, 3476960), (8, 2607720), (10, 2086176), (12, 1738480), (15, 1390784), (16, 1303860), (20, 1043088), (24, 869240), (30, 695392), (31, 672960), (32, 651930), (40, 521544), (48, 434620), (60, 347696), (62, 336480), (64, 325965), (80, 260772), (93, 224320), (96, 217310), (120, 173848), (124, 168240), (155, 134592), (160, 130386), (186, 112160), (192, 108655), (240, 86924), (248, 84120), (310, 67296), (320, 65193), (372, 56080), (465, 44864), (480, 43462), (496, 42060), (620, 33648), (701, 29760), (744, 28040), (930, 22432), (960, 21731), (992, 21030), (1240, 16824), (1402, 14880), (1488, 14020), (1860, 11216), (1984, 10515), (2103, 9920), (2480, 8412), (2804, 7440), (2976, 7010), (3505, 5952), (3720, 5608), (4206, 4960)]