20166496340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{81931}}^1$

素因数の和:82368

約数の個数: 48

約数和(自身を含む): 43826409984

約数和(自身を除く): 23659913644

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 397, 620, 794, 1588, 1985, 3970, 7940, 12307, 24614, 49228, 61535, 81931, 123070, 163862, 246140, 327724, 409655, 819310, 1638620, 2539861, 5079722, 10159444, 12699305, 25398610, 32526607, 50797220, 65053214, 130106428, 162633035, 325266070, 650532140, 1008324817, 2016649634, 4033299268, 5041624085, 10083248170, 20166496340]

約数ペア:

[(1, 20166496340), (2, 10083248170), (4, 5041624085), (5, 4033299268), (10, 2016649634), (20, 1008324817), (31, 650532140), (62, 325266070), (124, 162633035), (155, 130106428), (310, 65053214), (397, 50797220), (620, 32526607), (794, 25398610), (1588, 12699305), (1985, 10159444), (3970, 5079722), (7940, 2539861), (12307, 1638620), (24614, 819310), (49228, 409655), (61535, 327724), (81931, 246140), (123070, 163862)]