20723910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2087}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 49911552

約数和(自身を除く): 29187642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1655, 1986, 2087, 3310, 4174, 4965, 6261, 9930, 10435, 12522, 20870, 31305, 62610, 690797, 1381594, 2072391, 3453985, 4144782, 6907970, 10361955, 20723910]

約数ペア:

[(1, 20723910), (2, 10361955), (3, 6907970), (5, 4144782), (6, 3453985), (10, 2072391), (15, 1381594), (30, 690797), (331, 62610), (662, 31305), (993, 20870), (1655, 12522), (1986, 10435), (2087, 9930), (3310, 6261), (4174, 4965)]