20126109020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{79193}}^1$

素因数の和:79430

約数の個数: 48

約数和(自身を含む): 43027050528

約数和(自身を除く): 22900941508

約数列:

[1, 2, 4, 5, 10, 20, 97, 131, 194, 262, 388, 485, 524, 655, 970, 1310, 1940, 2620, 12707, 25414, 50828, 63535, 79193, 127070, 158386, 254140, 316772, 395965, 791930, 1583860, 7681721, 10374283, 15363442, 20748566, 30726884, 38408605, 41497132, 51871415, 76817210, 103742830, 153634420, 207485660, 1006305451, 2012610902, 4025221804, 5031527255, 10063054510, 20126109020]

約数ペア:

[(1, 20126109020), (2, 10063054510), (4, 5031527255), (5, 4025221804), (10, 2012610902), (20, 1006305451), (97, 207485660), (131, 153634420), (194, 103742830), (262, 76817210), (388, 51871415), (485, 41497132), (524, 38408605), (655, 30726884), (970, 20748566), (1310, 15363442), (1940, 10374283), (2620, 7681721), (12707, 1583860), (25414, 791930), (50828, 395965), (63535, 316772), (79193, 254140), (127070, 158386)]