20784088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8689}}^1$

素因数の和:8731

約数の個数: 32

約数和(自身を含む): 43797600

約数和(自身を除く): 23013512

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8689, 17378, 34756, 69512, 112957, 199847, 225914, 399694, 451828, 799388, 903656, 1598776, 2598011, 5196022, 10392044, 20784088]

約数ペア:

[(1, 20784088), (2, 10392044), (4, 5196022), (8, 2598011), (13, 1598776), (23, 903656), (26, 799388), (46, 451828), (52, 399694), (92, 225914), (104, 199847), (184, 112957), (299, 69512), (598, 34756), (1196, 17378), (2392, 8689)]