20121493432

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{787}}^1\times {\mathrm{17657}}^1$

素因数の和:18631

約数の個数: 32

約数和(自身を含む): 37986595920

約数和(自身を除く): 17865102488

約数列:

[1, 2, 4, 8, 181, 362, 724, 787, 1448, 1574, 3148, 6296, 17657, 35314, 70628, 141256, 142447, 284894, 569788, 1139576, 3195917, 6391834, 12783668, 13896059, 25567336, 27792118, 55584236, 111168472, 2515186679, 5030373358, 10060746716, 20121493432]

約数ペア:

[(1, 20121493432), (2, 10060746716), (4, 5030373358), (8, 2515186679), (181, 111168472), (362, 55584236), (724, 27792118), (787, 25567336), (1448, 13896059), (1574, 12783668), (3148, 6391834), (6296, 3195917), (17657, 1139576), (35314, 569788), (70628, 284894), (141256, 142447)]