20115080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29581}}^1$

素因数の和:29609

約数の個数: 32

約数和(自身を含む): 47922840

約数和(自身を除く): 27807760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29581, 59162, 118324, 147905, 236648, 295810, 502877, 591620, 1005754, 1183240, 2011508, 2514385, 4023016, 5028770, 10057540, 20115080]

約数ペア:

[(1, 20115080), (2, 10057540), (4, 5028770), (5, 4023016), (8, 2514385), (10, 2011508), (17, 1183240), (20, 1005754), (34, 591620), (40, 502877), (68, 295810), (85, 236648), (136, 147905), (170, 118324), (340, 59162), (680, 29581)]