20876955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4363}}^1$

素因数の和:4411

約数の個数: 32

約数和(自身を含む): 37704960

約数和(自身を除く): 16828005

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4363, 4785, 13089, 21815, 47993, 65445, 126527, 143979, 239965, 379581, 632635, 719895, 1391797, 1897905, 4175391, 6958985, 20876955]

約数ペア:

[(1, 20876955), (3, 6958985), (5, 4175391), (11, 1897905), (15, 1391797), (29, 719895), (33, 632635), (55, 379581), (87, 239965), (145, 143979), (165, 126527), (319, 65445), (435, 47993), (957, 21815), (1595, 13089), (4363, 4785)]