20097474995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9973933}}^1$

素因数の和:9973982

約数の個数: 16

約数和(自身を含む): 26809934592

約数和(自身を除く): 6712459597

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9973933, 49869665, 129661129, 309191923, 648305645, 1545959615, 4019494999, 20097474995]

約数ペア:

[(1, 20097474995), (5, 4019494999), (13, 1545959615), (31, 648305645), (65, 309191923), (155, 129661129), (403, 49869665), (2015, 9973933)]