20346974810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28657711}}^1$

素因数の和:28657789

約数の個数: 16

約数和(自身を含む): 37140394752

約数和(自身を除く): 16793419942

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28657711, 57315422, 143288555, 286577110, 2034697481, 4069394962, 10173487405, 20346974810]

約数ペア:

[(1, 20346974810), (2, 10173487405), (5, 4069394962), (10, 2034697481), (71, 286577110), (142, 143288555), (355, 57315422), (710, 28657711)]