20456875290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1667227}}^1$

素因数の和:1667646

約数の個数: 32

約数和(自身を含む): 49216570560

約数和(自身を除く): 28759695270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 2045, 2454, 4090, 6135, 12270, 1667227, 3334454, 5001681, 8336135, 10003362, 16672270, 25008405, 50016810, 681895843, 1363791686, 2045687529, 3409479215, 4091375058, 6818958430, 10228437645, 20456875290]

約数ペア:

[(1, 20456875290), (2, 10228437645), (3, 6818958430), (5, 4091375058), (6, 3409479215), (10, 2045687529), (15, 1363791686), (30, 681895843), (409, 50016810), (818, 25008405), (1227, 16672270), (2045, 10003362), (2454, 8336135), (4090, 5001681), (6135, 3334454), (12270, 1667227)]