20099592

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2131}}^1$

素因数の和:2274

約数の個数: 48

約数和(自身を含む): 54877680

約数和(自身を除く): 34778088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2131, 2358, 3144, 4262, 4716, 6393, 8524, 9432, 12786, 17048, 19179, 25572, 38358, 51144, 76716, 153432, 279161, 558322, 837483, 1116644, 1674966, 2233288, 2512449, 3349932, 5024898, 6699864, 10049796, 20099592]

約数ペア:

[(1, 20099592), (2, 10049796), (3, 6699864), (4, 5024898), (6, 3349932), (8, 2512449), (9, 2233288), (12, 1674966), (18, 1116644), (24, 837483), (36, 558322), (72, 279161), (131, 153432), (262, 76716), (393, 51144), (524, 38358), (786, 25572), (1048, 19179), (1179, 17048), (1572, 12786), (2131, 9432), (2358, 8524), (3144, 6393), (4262, 4716)]