20622843

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 32710656

約数和(自身を除く): 12087813

約数列:

[1, 3, 9, 27, 31, 43, 81, 93, 129, 191, 279, 387, 573, 837, 1161, 1333, 1719, 2511, 3483, 3999, 5157, 5921, 8213, 11997, 15471, 17763, 24639, 35991, 53289, 73917, 107973, 159867, 221751, 254603, 479601, 665253, 763809, 2291427, 6874281, 20622843]

約数ペア:

[(1, 20622843), (3, 6874281), (9, 2291427), (27, 763809), (31, 665253), (43, 479601), (81, 254603), (93, 221751), (129, 159867), (191, 107973), (279, 73917), (387, 53289), (573, 35991), (837, 24639), (1161, 17763), (1333, 15471), (1719, 11997), (2511, 8213), (3483, 5921), (3999, 5157)]