20846079

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{4219}}^1$

素因数の和:4292

約数の個数: 20

約数和(自身を含む): 31658440

約数和(自身を除く): 10812361

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4219, 4941, 12657, 37971, 113913, 257359, 341739, 772077, 2316231, 6948693, 20846079]

約数ペア:

[(1, 20846079), (3, 6948693), (9, 2316231), (27, 772077), (61, 341739), (81, 257359), (183, 113913), (549, 37971), (1647, 12657), (4219, 4941)]