20638848

素因数分解:

$2^7\times 3^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 55667520

約数和(自身を除く): 35028672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 284, 384, 426, 568, 757, 852, 1136, 1514, 1704, 2271, 2272, 3028, 3408, 4542, 4544, 6056, 6816, 9084, 9088, 12112, 13632, 18168, 24224, 27264, 36336, 48448, 53747, 72672, 96896, 107494, 145344, 161241, 214988, 290688, 322482, 429976, 644964, 859952, 1289928, 1719904, 2579856, 3439808, 5159712, 6879616, 10319424, 20638848]

約数ペア:

[(1, 20638848), (2, 10319424), (3, 6879616), (4, 5159712), (6, 3439808), (8, 2579856), (12, 1719904), (16, 1289928), (24, 859952), (32, 644964), (48, 429976), (64, 322482), (71, 290688), (96, 214988), (128, 161241), (142, 145344), (192, 107494), (213, 96896), (284, 72672), (384, 53747), (426, 48448), (568, 36336), (757, 27264), (852, 24224), (1136, 18168), (1514, 13632), (1704, 12112), (2271, 9088), (2272, 9084), (3028, 6816), (3408, 6056), (4542, 4544)]