2017101220

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{101771}}^1$

素因数の和:102771

約数の個数: 24

約数和(自身を含む): 4240228608

約数和(自身を除く): 2223127388

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 101771, 203542, 407084, 508855, 1017710, 2035420, 100855061, 201710122, 403420244, 504275305, 1008550610, 2017101220]

約数ペア:

[(1, 2017101220), (2, 1008550610), (4, 504275305), (5, 403420244), (10, 201710122), (20, 100855061), (991, 2035420), (1982, 1017710), (3964, 508855), (4955, 407084), (9910, 203542), (19820, 101771)]