20935761

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90631}}^1$

素因数の和:90652

約数の個数: 16

約数和(自身を含む): 34802688

約数和(自身を除く): 13866927

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90631, 271893, 634417, 996941, 1903251, 2990823, 6978587, 20935761]

約数ペア:

[(1, 20935761), (3, 6978587), (7, 2990823), (11, 1903251), (21, 996941), (33, 634417), (77, 271893), (231, 90631)]