20154217148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{9643}}^1\times {\mathrm{40193}}^1$

素因数の和:49853

約数の個数: 24

約数和(自身を含む): 37987831728

約数和(自身を除く): 17833614580

約数列:

[1, 2, 4, 13, 26, 52, 9643, 19286, 38572, 40193, 80386, 125359, 160772, 250718, 501436, 522509, 1045018, 2090036, 387581099, 775162198, 1550324396, 5038554287, 10077108574, 20154217148]

約数ペア:

[(1, 20154217148), (2, 10077108574), (4, 5038554287), (13, 1550324396), (26, 775162198), (52, 387581099), (9643, 2090036), (19286, 1045018), (38572, 522509), (40193, 501436), (80386, 250718), (125359, 160772)]