20455817824

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{31663}}^1$

素因数の和:33239

約数の個数: 48

約数和(自身を含む): 43399564992

約数和(自身を除く): 22943747168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1553, 3106, 6212, 12424, 20189, 24848, 31663, 40378, 49696, 63326, 80756, 126652, 161512, 253304, 323024, 411619, 506608, 646048, 823238, 1013216, 1646476, 3292952, 6585904, 13171808, 49172639, 98345278, 196690556, 393381112, 639244307, 786762224, 1278488614, 1573524448, 2556977228, 5113954456, 10227908912, 20455817824]

約数ペア:

[(1, 20455817824), (2, 10227908912), (4, 5113954456), (8, 2556977228), (13, 1573524448), (16, 1278488614), (26, 786762224), (32, 639244307), (52, 393381112), (104, 196690556), (208, 98345278), (416, 49172639), (1553, 13171808), (3106, 6585904), (6212, 3292952), (12424, 1646476), (20189, 1013216), (24848, 823238), (31663, 646048), (40378, 506608), (49696, 411619), (63326, 323024), (80756, 253304), (126652, 161512)]