20187718492

素因数分解:

$2^2\times {\mathrm{83}}^2\times {\mathrm{379}}^1\times {\mathrm{1933}}^1$

素因数の和:2482

約数の個数: 36

約数和(自身を含む): 35872180120

約数和(自身を除く): 15684461628

約数列:

[1, 2, 4, 83, 166, 332, 379, 758, 1516, 1933, 3866, 6889, 7732, 13778, 27556, 31457, 62914, 125828, 160439, 320878, 641756, 732607, 1465214, 2610931, 2930428, 5221862, 10443724, 13316437, 26632874, 53265748, 60806381, 121612762, 243225524, 5046929623, 10093859246, 20187718492]

約数ペア:

[(1, 20187718492), (2, 10093859246), (4, 5046929623), (83, 243225524), (166, 121612762), (332, 60806381), (379, 53265748), (758, 26632874), (1516, 13316437), (1933, 10443724), (3866, 5221862), (6889, 2930428), (7732, 2610931), (13778, 1465214), (27556, 732607), (31457, 641756), (62914, 320878), (125828, 160439)]