20647510195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1723}}^2$

素因数の和:3571

約数の個数: 24

約数和(自身を含む): 26947949616

約数和(自身を除く): 6300439421

約数列:

[1, 5, 13, 65, 107, 535, 1391, 1723, 6955, 8615, 22399, 111995, 184361, 921805, 2396693, 2968729, 11983465, 14843645, 38593477, 192967385, 317654003, 1588270015, 4129502039, 20647510195]

約数ペア:

[(1, 20647510195), (5, 4129502039), (13, 1588270015), (65, 317654003), (107, 192967385), (535, 38593477), (1391, 14843645), (1723, 11983465), (6955, 2968729), (8615, 2396693), (22399, 921805), (111995, 184361)]