9198020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 22035888

約数和(自身を除く): 12837868

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2081, 2210, 4162, 4420, 8324, 10405, 20810, 27053, 35377, 41620, 54106, 70754, 108212, 135265, 141508, 176885, 270530, 353770, 459901, 541060, 707540, 919802, 1839604, 2299505, 4599010, 9198020]

約数ペア:

[(1, 9198020), (2, 4599010), (4, 2299505), (5, 1839604), (10, 919802), (13, 707540), (17, 541060), (20, 459901), (26, 353770), (34, 270530), (52, 176885), (65, 141508), (68, 135265), (85, 108212), (130, 70754), (170, 54106), (221, 41620), (260, 35377), (340, 27053), (442, 20810), (884, 10405), (1105, 8324), (2081, 4420), (2210, 4162)]