20010505900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2598767}}^1$

素因数の和:2598799

約数の個数: 72

約数和(自身を含む): 54137534976

約数和(自身を除く): 34127029076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 2598767, 5197534, 10395068, 12993835, 18191369, 25987670, 28586437, 36382738, 51975340, 57172874, 64969175, 72765476, 90956845, 114345748, 129938350, 142932185, 181913690, 200105059, 259876700, 285864370, 363827380, 400210118, 454784225, 571728740, 714660925, 800420236, 909568450, 1000525295, 1429321850, 1819136900, 2001050590, 2858643700, 4002101180, 5002626475, 10005252950, 20010505900]

約数ペア:

[(1, 20010505900), (2, 10005252950), (4, 5002626475), (5, 4002101180), (7, 2858643700), (10, 2001050590), (11, 1819136900), (14, 1429321850), (20, 1000525295), (22, 909568450), (25, 800420236), (28, 714660925), (35, 571728740), (44, 454784225), (50, 400210118), (55, 363827380), (70, 285864370), (77, 259876700), (100, 200105059), (110, 181913690), (140, 142932185), (154, 129938350), (175, 114345748), (220, 90956845), (275, 72765476), (308, 64969175), (350, 57172874), (385, 51975340), (550, 36382738), (700, 28586437), (770, 25987670), (1100, 18191369), (1540, 12993835), (1925, 10395068), (3850, 5197534), (7700, 2598767)]