20156691815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{434927}}^1$

素因数の和:434999

約数の個数: 32

約数和(自身を含む): 28058075136

約数和(自身を除く): 7901383321

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 299, 403, 713, 1495, 2015, 3565, 9269, 46345, 434927, 2174635, 5654051, 10003321, 13482737, 28270255, 50016605, 67413685, 130043173, 175275581, 310102951, 650215865, 876377905, 1550514755, 4031338363, 20156691815]

約数ペア:

[(1, 20156691815), (5, 4031338363), (13, 1550514755), (23, 876377905), (31, 650215865), (65, 310102951), (115, 175275581), (155, 130043173), (299, 67413685), (403, 50016605), (713, 28270255), (1495, 13482737), (2015, 10003321), (3565, 5654051), (9269, 2174635), (46345, 434927)]