20743371

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 34940928

約数和(自身を除く): 14197557

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 279, 297, 341, 751, 837, 891, 1023, 2253, 2511, 3069, 6759, 8261, 9207, 20277, 23281, 24783, 27621, 60831, 69843, 74349, 209529, 223047, 256091, 628587, 669141, 768273, 1885761, 2304819, 6914457, 20743371]

約数ペア:

[(1, 20743371), (3, 6914457), (9, 2304819), (11, 1885761), (27, 768273), (31, 669141), (33, 628587), (81, 256091), (93, 223047), (99, 209529), (279, 74349), (297, 69843), (341, 60831), (751, 27621), (837, 24783), (891, 23281), (1023, 20277), (2253, 9207), (2511, 8261), (3069, 6759)]