20454510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3461}}^1$

素因数の和:3668

約数の個数: 32

約数和(自身を含む): 49354272

約数和(自身を除く): 28899762

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 3461, 5910, 6922, 10383, 17305, 20766, 34610, 51915, 103830, 681817, 1363634, 2045451, 3409085, 4090902, 6818170, 10227255, 20454510]

約数ペア:

[(1, 20454510), (2, 10227255), (3, 6818170), (5, 4090902), (6, 3409085), (10, 2045451), (15, 1363634), (30, 681817), (197, 103830), (394, 51915), (591, 34610), (985, 20766), (1182, 17305), (1970, 10383), (2955, 6922), (3461, 5910)]