20856823

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2427977

約数列:

[1, 13, 41, 109, 359, 533, 1417, 4469, 4667, 14719, 39131, 58097, 191347, 508703, 1604371, 20856823]

約数ペア:

[(1, 20856823), (13, 1604371), (41, 508703), (109, 191347), (359, 58097), (533, 39131), (1417, 14719), (4469, 4667)]