20716398

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{3119}}^1$

素因数の和:3174

約数の個数: 40

約数和(自身を含む): 47567520

約数和(自身を除く): 26851122

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3119, 3321, 6238, 6642, 9357, 18714, 28071, 56142, 84213, 127879, 168426, 252639, 255758, 383637, 505278, 767274, 1150911, 2301822, 3452733, 6905466, 10358199, 20716398]

約数ペア:

[(1, 20716398), (2, 10358199), (3, 6905466), (6, 3452733), (9, 2301822), (18, 1150911), (27, 767274), (41, 505278), (54, 383637), (81, 255758), (82, 252639), (123, 168426), (162, 127879), (246, 84213), (369, 56142), (738, 28071), (1107, 18714), (2214, 9357), (3119, 6642), (3321, 6238)]