20787029118

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{99787}}^1$

素因数の和:100029

約数の個数: 48

約数和(自身を含む): 45953571456

約数和(自身を除く): 25166542338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 163, 213, 326, 426, 489, 639, 978, 1278, 1467, 2934, 11573, 23146, 34719, 69438, 99787, 104157, 199574, 208314, 299361, 598722, 898083, 1796166, 7084877, 14169754, 16265281, 21254631, 32530562, 42509262, 48795843, 63763893, 97591686, 127527786, 146387529, 292775058, 1154834951, 2309669902, 3464504853, 6929009706, 10393514559, 20787029118]

約数ペア:

[(1, 20787029118), (2, 10393514559), (3, 6929009706), (6, 3464504853), (9, 2309669902), (18, 1154834951), (71, 292775058), (142, 146387529), (163, 127527786), (213, 97591686), (326, 63763893), (426, 48795843), (489, 42509262), (639, 32530562), (978, 21254631), (1278, 16265281), (1467, 14169754), (2934, 7084877), (11573, 1796166), (23146, 898083), (34719, 598722), (69438, 299361), (99787, 208314), (104157, 199574)]