20086521

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 35086464

約数和(自身を除く): 14999943

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 273, 299, 457, 483, 637, 897, 1127, 1371, 1911, 2093, 3199, 3381, 5941, 6279, 9597, 10511, 14651, 17823, 22393, 31533, 41587, 43953, 67179, 73577, 124761, 136643, 220731, 291109, 409929, 515039, 873327, 956501, 1545117, 2869503, 6695507, 20086521]

約数ペア:

[(1, 20086521), (3, 6695507), (7, 2869503), (13, 1545117), (21, 956501), (23, 873327), (39, 515039), (49, 409929), (69, 291109), (91, 220731), (147, 136643), (161, 124761), (273, 73577), (299, 67179), (457, 43953), (483, 41587), (637, 31533), (897, 22393), (1127, 17823), (1371, 14651), (1911, 10511), (2093, 9597), (3199, 6279), (3381, 5941)]