20254312

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 41899680

約数和(自身を除く): 21645368

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 169, 211, 284, 338, 422, 568, 676, 844, 923, 1352, 1688, 1846, 2743, 3692, 5486, 7384, 10972, 11999, 14981, 21944, 23998, 29962, 35659, 47996, 59924, 71318, 95992, 119848, 142636, 194753, 285272, 389506, 779012, 1558024, 2531789, 5063578, 10127156, 20254312]

約数ペア:

[(1, 20254312), (2, 10127156), (4, 5063578), (8, 2531789), (13, 1558024), (26, 779012), (52, 389506), (71, 285272), (104, 194753), (142, 142636), (169, 119848), (211, 95992), (284, 71318), (338, 59924), (422, 47996), (568, 35659), (676, 29962), (844, 23998), (923, 21944), (1352, 14981), (1688, 11999), (1846, 10972), (2743, 7384), (3692, 5486)]