20675746

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16229}}^1$

素因数の和:16258

約数の個数: 24

約数和(自身を含む): 38854620

約数和(自身を除く): 18178874

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16229, 32458, 113603, 210977, 227206, 421954, 795221, 1476839, 1590442, 2953678, 10337873, 20675746]

約数ペア:

[(1, 20675746), (2, 10337873), (7, 2953678), (13, 1590442), (14, 1476839), (26, 795221), (49, 421954), (91, 227206), (98, 210977), (182, 113603), (637, 32458), (1274, 16229)]