20135166896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{534827}}^1$

素因数の和:535029

約数の個数: 40

約数和(自身を含む): 42244994064

約数和(自身を除く): 22109827168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 362, 724, 1448, 2353, 2896, 4706, 9412, 18824, 37648, 534827, 1069654, 2139308, 4278616, 6952751, 8557232, 13905502, 27811004, 55622008, 96803687, 111244016, 193607374, 387214748, 774429496, 1258447931, 1548858992, 2516895862, 5033791724, 10067583448, 20135166896]

約数ペア:

[(1, 20135166896), (2, 10067583448), (4, 5033791724), (8, 2516895862), (13, 1548858992), (16, 1258447931), (26, 774429496), (52, 387214748), (104, 193607374), (181, 111244016), (208, 96803687), (362, 55622008), (724, 27811004), (1448, 13905502), (2353, 8557232), (2896, 6952751), (4706, 4278616), (9412, 2139308), (18824, 1069654), (37648, 534827)]