20608654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15679346

約数列:

[1, 2, 11, 19, 22, 38, 47, 94, 209, 418, 517, 893, 1034, 1049, 1786, 2098, 9823, 11539, 19646, 19931, 23078, 39862, 49303, 98606, 219241, 438482, 542333, 936757, 1084666, 1873514, 10304327, 20608654]

約数ペア:

[(1, 20608654), (2, 10304327), (11, 1873514), (19, 1084666), (22, 936757), (38, 542333), (47, 438482), (94, 219241), (209, 98606), (418, 49303), (517, 39862), (893, 23078), (1034, 19931), (1049, 19646), (1786, 11539), (2098, 9823)]