20176496255

素因数分解:

$5^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{673}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 24653323968

約数和(自身を除く): 4476827713

約数列:

[1, 5, 157, 181, 211, 673, 785, 905, 1055, 3365, 28417, 33127, 38191, 105661, 121813, 142003, 142085, 165635, 190955, 528305, 609065, 710015, 5995987, 19124641, 22294471, 25702543, 29979935, 95623205, 111472355, 128512715, 4035299251, 20176496255]

約数ペア:

[(1, 20176496255), (5, 4035299251), (157, 128512715), (181, 111472355), (211, 95623205), (673, 29979935), (785, 25702543), (905, 22294471), (1055, 19124641), (3365, 5995987), (28417, 710015), (33127, 609065), (38191, 528305), (105661, 190955), (121813, 165635), (142003, 142085)]