20121458734

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{21577}}^1$

素因数の和:21725

約数の個数: 48

約数和(自身を含む): 34117407360

約数和(自身を除く): 13995948626

約数列:

[1, 2, 13, 26, 31, 62, 89, 169, 178, 338, 403, 806, 1157, 2314, 2759, 5239, 5518, 10478, 15041, 21577, 30082, 35867, 43154, 71734, 280501, 466271, 561002, 668887, 932542, 1337774, 1920353, 3646513, 3840706, 7293026, 8695531, 17391062, 24964589, 49929178, 59530943, 113041903, 119061886, 226083806, 324539657, 649079314, 773902259, 1547804518, 10060729367, 20121458734]

約数ペア:

[(1, 20121458734), (2, 10060729367), (13, 1547804518), (26, 773902259), (31, 649079314), (62, 324539657), (89, 226083806), (169, 119061886), (178, 113041903), (338, 59530943), (403, 49929178), (806, 24964589), (1157, 17391062), (2314, 8695531), (2759, 7293026), (5239, 3840706), (5518, 3646513), (10478, 1920353), (15041, 1337774), (21577, 932542), (30082, 668887), (35867, 561002), (43154, 466271), (71734, 280501)]