20663154

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 27997326

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 127, 131, 138, 207, 254, 262, 381, 393, 414, 621, 762, 786, 1143, 1179, 1242, 2286, 2358, 2921, 3013, 3429, 3537, 5842, 6026, 6858, 7074, 8763, 9039, 16637, 17526, 18078, 26289, 27117, 33274, 49911, 52578, 54234, 78867, 81351, 99822, 149733, 157734, 162702, 299466, 382651, 449199, 765302, 898398, 1147953, 2295906, 3443859, 6887718, 10331577, 20663154]

約数ペア:

[(1, 20663154), (2, 10331577), (3, 6887718), (6, 3443859), (9, 2295906), (18, 1147953), (23, 898398), (27, 765302), (46, 449199), (54, 382651), (69, 299466), (127, 162702), (131, 157734), (138, 149733), (207, 99822), (254, 81351), (262, 78867), (381, 54234), (393, 52578), (414, 49911), (621, 33274), (762, 27117), (786, 26289), (1143, 18078), (1179, 17526), (1242, 16637), (2286, 9039), (2358, 8763), (2921, 7074), (3013, 6858), (3429, 6026), (3537, 5842)]