20955974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15332026

約数列:

[1, 2, 13, 19, 26, 38, 59, 118, 247, 494, 719, 767, 1121, 1438, 1534, 2242, 9347, 13661, 14573, 18694, 27322, 29146, 42421, 84842, 177593, 355186, 551473, 805999, 1102946, 1611998, 10477987, 20955974]

約数ペア:

[(1, 20955974), (2, 10477987), (13, 1611998), (19, 1102946), (26, 805999), (38, 551473), (59, 355186), (118, 177593), (247, 84842), (494, 42421), (719, 29146), (767, 27322), (1121, 18694), (1438, 14573), (1534, 13661), (2242, 9347)]