20347084856

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11720671}}^1$

素因数の和:11720715

約数の個数: 32

約数和(自身を含む): 45007380480

約数和(自身を除く): 24660295624

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11720671, 23441342, 46882684, 82044697, 93765368, 164089394, 328178788, 363340801, 656357576, 726681602, 1453363204, 2543385607, 2906726408, 5086771214, 10173542428, 20347084856]

約数ペア:

[(1, 20347084856), (2, 10173542428), (4, 5086771214), (7, 2906726408), (8, 2543385607), (14, 1453363204), (28, 726681602), (31, 656357576), (56, 363340801), (62, 328178788), (124, 164089394), (217, 93765368), (248, 82044697), (434, 46882684), (868, 23441342), (1736, 11720671)]