20904546

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3229}}^1$

素因数の和:3330

約数の個数: 32

約数和(自身を含む): 45581760

約数和(自身を除く): 24677214

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 2158, 3229, 3237, 6458, 6474, 9687, 19374, 41977, 83954, 125931, 251862, 268007, 536014, 804021, 1608042, 3484091, 6968182, 10452273, 20904546]

約数ペア:

[(1, 20904546), (2, 10452273), (3, 6968182), (6, 3484091), (13, 1608042), (26, 804021), (39, 536014), (78, 268007), (83, 251862), (166, 125931), (249, 83954), (498, 41977), (1079, 19374), (2158, 9687), (3229, 6474), (3237, 6458)]