20158704717

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{677}}^1\times {\mathrm{947}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 27643133952

約数和(自身を除く): 7484429235

約数列:

[1, 3, 47, 141, 223, 669, 677, 947, 2031, 2841, 10481, 31443, 31819, 44509, 95457, 133527, 150971, 211181, 452913, 633543, 641119, 1923357, 7095637, 9925507, 21286911, 29776521, 30132593, 90397779, 142969537, 428908611, 6719568239, 20158704717]

約数ペア:

[(1, 20158704717), (3, 6719568239), (47, 428908611), (141, 142969537), (223, 90397779), (669, 30132593), (677, 29776521), (947, 21286911), (2031, 9925507), (2841, 7095637), (10481, 1923357), (31443, 641119), (31819, 633543), (44509, 452913), (95457, 211181), (133527, 150971)]