20825766

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1541

約数の個数: 48

約数和(自身を含む): 49423920

約数和(自身を除く): 28598154

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1459, 1586, 2379, 2918, 4377, 4758, 7137, 8754, 13131, 14274, 18967, 26262, 37934, 56901, 88999, 113802, 170703, 177998, 266997, 341406, 533994, 800991, 1156987, 1601982, 2313974, 3470961, 6941922, 10412883, 20825766]

約数ペア:

[(1, 20825766), (2, 10412883), (3, 6941922), (6, 3470961), (9, 2313974), (13, 1601982), (18, 1156987), (26, 800991), (39, 533994), (61, 341406), (78, 266997), (117, 177998), (122, 170703), (183, 113802), (234, 88999), (366, 56901), (549, 37934), (793, 26262), (1098, 18967), (1459, 14274), (1586, 13131), (2379, 8754), (2918, 7137), (4377, 4758)]