20178559788

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4111361}}^1$

素因数の和:4111777

約数の個数: 24

約数和(自身を含む): 47198435760

約数和(自身を除く): 27019875972

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4908, 4111361, 8222722, 12334083, 16445444, 24668166, 49336332, 1681546649, 3363093298, 5044639947, 6726186596, 10089279894, 20178559788]

約数ペア:

[(1, 20178559788), (2, 10089279894), (3, 6726186596), (4, 5044639947), (6, 3363093298), (12, 1681546649), (409, 49336332), (818, 24668166), (1227, 16445444), (1636, 12334083), (2454, 8222722), (4908, 4111361)]