20688007785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1\times {\mathrm{31657}}^1$

素因数の和:33977

約数の個数: 32

約数和(自身を含む): 34859256960

約数和(自身を除く): 14171249175

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 2293, 6879, 11465, 31657, 34395, 43567, 94971, 130701, 158285, 217835, 474855, 601483, 653505, 1804449, 3007415, 9022245, 72589501, 217768503, 362947505, 1088842515, 1379200519, 4137601557, 6896002595, 20688007785]

約数ペア:

[(1, 20688007785), (3, 6896002595), (5, 4137601557), (15, 1379200519), (19, 1088842515), (57, 362947505), (95, 217768503), (285, 72589501), (2293, 9022245), (6879, 3007415), (11465, 1804449), (31657, 653505), (34395, 601483), (43567, 474855), (94971, 217835), (130701, 158285)]