20236520815

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{138289}}^1$

素因数の和:138451

約数の個数: 32

約数和(自身を含む): 28755469440

約数和(自身を除く): 8518948625

約数列:

[1, 5, 7, 35, 37, 113, 185, 259, 565, 791, 1295, 3955, 4181, 20905, 29267, 138289, 146335, 691445, 968023, 4840115, 5116693, 15626657, 25583465, 35816851, 78133285, 109386599, 179084255, 546932995, 578186309, 2890931545, 4047304163, 20236520815]

約数ペア:

[(1, 20236520815), (5, 4047304163), (7, 2890931545), (35, 578186309), (37, 546932995), (113, 179084255), (185, 109386599), (259, 78133285), (565, 35816851), (791, 25583465), (1295, 15626657), (3955, 5116693), (4181, 4840115), (20905, 968023), (29267, 691445), (138289, 146335)]