20235954820

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1\times {\mathrm{6703}}^1$

素因数の和:7540

約数の個数: 48

約数和(自身を含む): 42735264768

約数和(自身を除く): 22499309948

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 557, 1084, 1114, 1355, 2228, 2710, 2785, 5420, 5570, 6703, 11140, 13406, 26812, 33515, 67030, 134060, 150947, 301894, 603788, 754735, 1509470, 1816513, 3018940, 3633026, 3733571, 7266052, 7467142, 9082565, 14934284, 18165130, 18667855, 36330260, 37335710, 74671420, 1011797741, 2023595482, 4047190964, 5058988705, 10117977410, 20235954820]

約数ペア:

[(1, 20235954820), (2, 10117977410), (4, 5058988705), (5, 4047190964), (10, 2023595482), (20, 1011797741), (271, 74671420), (542, 37335710), (557, 36330260), (1084, 18667855), (1114, 18165130), (1355, 14934284), (2228, 9082565), (2710, 7467142), (2785, 7266052), (5420, 3733571), (5570, 3633026), (6703, 3018940), (11140, 1816513), (13406, 1509470), (26812, 754735), (33515, 603788), (67030, 301894), (134060, 150947)]