20147164840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2381}}^1\times {\mathrm{19231}}^1$

素因数の和:21634

約数の個数: 64

約数和(自身を含む): 49475473920

約数和(自身を除く): 29328309080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2381, 4762, 9524, 11905, 19048, 19231, 23810, 26191, 38462, 47620, 52382, 76924, 95240, 96155, 104764, 130955, 153848, 192310, 209528, 211541, 261910, 384620, 423082, 523820, 769240, 846164, 1047640, 1057705, 1692328, 2115410, 4230820, 8461640, 45789011, 91578022, 183156044, 228945055, 366312088, 457890110, 503679121, 915780220, 1007358242, 1831560440, 2014716484, 2518395605, 4029432968, 5036791210, 10073582420, 20147164840]

約数ペア:

[(1, 20147164840), (2, 10073582420), (4, 5036791210), (5, 4029432968), (8, 2518395605), (10, 2014716484), (11, 1831560440), (20, 1007358242), (22, 915780220), (40, 503679121), (44, 457890110), (55, 366312088), (88, 228945055), (110, 183156044), (220, 91578022), (440, 45789011), (2381, 8461640), (4762, 4230820), (9524, 2115410), (11905, 1692328), (19048, 1057705), (19231, 1047640), (23810, 846164), (26191, 769240), (38462, 523820), (47620, 423082), (52382, 384620), (76924, 261910), (95240, 211541), (96155, 209528), (104764, 192310), (130955, 153848)]