20841858

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26961534

約数列:

[1, 2, 3, 6, 9, 18, 31, 41, 62, 82, 93, 123, 186, 246, 279, 369, 558, 738, 911, 1271, 1822, 2542, 2733, 3813, 5466, 7626, 8199, 11439, 16398, 22878, 28241, 37351, 56482, 74702, 84723, 112053, 169446, 224106, 254169, 336159, 508338, 672318, 1157881, 2315762, 3473643, 6947286, 10420929, 20841858]

約数ペア:

[(1, 20841858), (2, 10420929), (3, 6947286), (6, 3473643), (9, 2315762), (18, 1157881), (31, 672318), (41, 508338), (62, 336159), (82, 254169), (93, 224106), (123, 169446), (186, 112053), (246, 84723), (279, 74702), (369, 56482), (558, 37351), (738, 28241), (911, 22878), (1271, 16398), (1822, 11439), (2542, 8199), (2733, 7626), (3813, 5466)]