20137995

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19457}}^1$

素因数の和:19491

約数の個数: 24

約数和(自身を含む): 36425376

約数和(自身を除く): 16287381

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19457, 58371, 97285, 175113, 291855, 447511, 875565, 1342533, 2237555, 4027599, 6712665, 20137995]

約数ペア:

[(1, 20137995), (3, 6712665), (5, 4027599), (9, 2237555), (15, 1342533), (23, 875565), (45, 447511), (69, 291855), (115, 175113), (207, 97285), (345, 58371), (1035, 19457)]