20919158

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{1049}}^1$

素因数の和:1136

約数の個数: 24

約数和(自身を含む): 34587000

約数和(自身を除く): 13667842

約数列:

[1, 2, 13, 26, 59, 118, 169, 338, 767, 1049, 1534, 2098, 9971, 13637, 19942, 27274, 61891, 123782, 177281, 354562, 804583, 1609166, 10459579, 20919158]

約数ペア:

[(1, 20919158), (2, 10459579), (13, 1609166), (26, 804583), (59, 354562), (118, 177281), (169, 123782), (338, 61891), (767, 27274), (1049, 19942), (1534, 13637), (2098, 9971)]