20327710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 39618432

約数和(自身を除く): 19290722

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 577, 1154, 1355, 2710, 2885, 3523, 5770, 7046, 7501, 15002, 17615, 35230, 37505, 75010, 156367, 312734, 781835, 1563670, 2032771, 4065542, 10163855, 20327710]

約数ペア:

[(1, 20327710), (2, 10163855), (5, 4065542), (10, 2032771), (13, 1563670), (26, 781835), (65, 312734), (130, 156367), (271, 75010), (542, 37505), (577, 35230), (1154, 17615), (1355, 15002), (2710, 7501), (2885, 7046), (3523, 5770)]