20856693

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 33247872

約数和(自身を除く): 12391179

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 793, 797, 2013, 2379, 2391, 8723, 8767, 10361, 26169, 26301, 31083, 48617, 113971, 145851, 341913, 534787, 632021, 1604361, 1896063, 6952231, 20856693]

約数ペア:

[(1, 20856693), (3, 6952231), (11, 1896063), (13, 1604361), (33, 632021), (39, 534787), (61, 341913), (143, 145851), (183, 113971), (429, 48617), (671, 31083), (793, 26301), (797, 26169), (2013, 10361), (2379, 8767), (2391, 8723)]