20179593

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 34819200

約数和(自身を除く): 14639607

約数列:

[1, 3, 7, 9, 21, 59, 61, 63, 89, 177, 183, 267, 413, 427, 531, 549, 623, 801, 1239, 1281, 1869, 3599, 3717, 3843, 5251, 5429, 5607, 10797, 15753, 16287, 25193, 32391, 36757, 38003, 47259, 48861, 75579, 110271, 114009, 226737, 320311, 330813, 342027, 960933, 2242177, 2882799, 6726531, 20179593]

約数ペア:

[(1, 20179593), (3, 6726531), (7, 2882799), (9, 2242177), (21, 960933), (59, 342027), (61, 330813), (63, 320311), (89, 226737), (177, 114009), (183, 110271), (267, 75579), (413, 48861), (427, 47259), (531, 38003), (549, 36757), (623, 32391), (801, 25193), (1239, 16287), (1281, 15753), (1869, 10797), (3599, 5607), (3717, 5429), (3843, 5251)]