20791954

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 13215086

約数列:

[1, 2, 23, 46, 47, 59, 94, 118, 163, 326, 1081, 1357, 2162, 2714, 2773, 3749, 5546, 7498, 7661, 9617, 15322, 19234, 63779, 127558, 176203, 221191, 352406, 442382, 451999, 903998, 10395977, 20791954]

約数ペア:

[(1, 20791954), (2, 10395977), (23, 903998), (46, 451999), (47, 442382), (59, 352406), (94, 221191), (118, 176203), (163, 127558), (326, 63779), (1081, 19234), (1357, 15322), (2162, 9617), (2714, 7661), (2773, 7498), (3749, 5546)]