20651826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{977}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 44690688

約数和(自身を除く): 24038862

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271, 542, 813, 977, 1626, 1954, 2931, 3523, 5862, 7046, 10569, 12701, 21138, 25402, 38103, 76206, 264767, 529534, 794301, 1588602, 3441971, 6883942, 10325913, 20651826]

約数ペア:

[(1, 20651826), (2, 10325913), (3, 6883942), (6, 3441971), (13, 1588602), (26, 794301), (39, 529534), (78, 264767), (271, 76206), (542, 38103), (813, 25402), (977, 21138), (1626, 12701), (1954, 10569), (2931, 7046), (3523, 5862)]