20018710

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 17140202

約数列:

[1, 2, 5, 10, 47, 94, 191, 223, 235, 382, 446, 470, 955, 1115, 1910, 2230, 8977, 10481, 17954, 20962, 42593, 44885, 52405, 85186, 89770, 104810, 212965, 425930, 2001871, 4003742, 10009355, 20018710]

約数ペア:

[(1, 20018710), (2, 10009355), (5, 4003742), (10, 2001871), (47, 425930), (94, 212965), (191, 104810), (223, 89770), (235, 85186), (382, 52405), (446, 44885), (470, 42593), (955, 20962), (1115, 17954), (1910, 10481), (2230, 8977)]