20163984890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{643}}^1\times {\mathrm{1583}}^1$

素因数の和:2523

約数の個数: 64

約数和(自身を含む): 41717846016

約数和(自身を除く): 21553861126

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 643, 1286, 1415, 1583, 1981, 2830, 3166, 3215, 3962, 4501, 6430, 7915, 9002, 9905, 11081, 15830, 19810, 22162, 22505, 45010, 55405, 110810, 181969, 363938, 447989, 895978, 909845, 1017869, 1273783, 1819690, 2035738, 2239945, 2547566, 3135923, 4479890, 5089345, 6271846, 6368915, 7125083, 10178690, 12737830, 14250166, 15679615, 31359230, 35625415, 71250830, 288056927, 576113854, 1440284635, 2016398489, 2880569270, 4032796978, 10081992445, 20163984890]

約数ペア:

[(1, 20163984890), (2, 10081992445), (5, 4032796978), (7, 2880569270), (10, 2016398489), (14, 1440284635), (35, 576113854), (70, 288056927), (283, 71250830), (566, 35625415), (643, 31359230), (1286, 15679615), (1415, 14250166), (1583, 12737830), (1981, 10178690), (2830, 7125083), (3166, 6368915), (3215, 6271846), (3962, 5089345), (4501, 4479890), (6430, 3135923), (7915, 2547566), (9002, 2239945), (9905, 2035738), (11081, 1819690), (15830, 1273783), (19810, 1017869), (22162, 909845), (22505, 895978), (45010, 447989), (55405, 363938), (110810, 181969)]