20740825

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5153}}^1$

素因数の和:5193

約数の個数: 24

約数和(自身を含む): 30676608

約数和(自身を除く): 9935783

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5153, 25765, 36071, 118519, 128825, 180355, 592595, 829633, 901775, 2962975, 4148165, 20740825]

約数ペア:

[(1, 20740825), (5, 4148165), (7, 2962975), (23, 901775), (25, 829633), (35, 592595), (115, 180355), (161, 128825), (175, 118519), (575, 36071), (805, 25765), (4025, 5153)]