20188875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{7691}}^1$

素因数の和:7716

約数の個数: 32

約数和(自身を含む): 38398464

約数和(自身を除く): 18209589

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 7691, 23073, 38455, 53837, 115365, 161511, 192275, 269185, 576825, 807555, 961375, 1345925, 2884125, 4037775, 6729625, 20188875]

約数ペア:

[(1, 20188875), (3, 6729625), (5, 4037775), (7, 2884125), (15, 1345925), (21, 961375), (25, 807555), (35, 576825), (75, 269185), (105, 192275), (125, 161511), (175, 115365), (375, 53837), (525, 38455), (875, 23073), (2625, 7691)]