20549870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1471}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 40697856

約数和(自身を除く): 20147986

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 1471, 2794, 2942, 6985, 7355, 13970, 14710, 16181, 32362, 80905, 161810, 186817, 373634, 934085, 1868170, 2054987, 4109974, 10274935, 20549870]

約数ペア:

[(1, 20549870), (2, 10274935), (5, 4109974), (10, 2054987), (11, 1868170), (22, 934085), (55, 373634), (110, 186817), (127, 161810), (254, 80905), (635, 32362), (1270, 16181), (1397, 14710), (1471, 13970), (2794, 7355), (2942, 6985)]