20542482

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 46222488

約数和(自身を除く): 25680006

約数列:

[1, 2, 3, 6, 9, 18, 53, 61, 106, 122, 159, 183, 318, 353, 366, 477, 549, 706, 954, 1059, 1098, 2118, 3177, 3233, 6354, 6466, 9699, 18709, 19398, 21533, 29097, 37418, 43066, 56127, 58194, 64599, 112254, 129198, 168381, 193797, 336762, 387594, 1141249, 2282498, 3423747, 6847494, 10271241, 20542482]

約数ペア:

[(1, 20542482), (2, 10271241), (3, 6847494), (6, 3423747), (9, 2282498), (18, 1141249), (53, 387594), (61, 336762), (106, 193797), (122, 168381), (159, 129198), (183, 112254), (318, 64599), (353, 58194), (366, 56127), (477, 43066), (549, 37418), (706, 29097), (954, 21533), (1059, 19398), (1098, 18709), (2118, 9699), (3177, 6466), (3233, 6354)]