20574666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{577}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 51215424

約数和(自身を除く): 30640758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 283, 566, 577, 849, 1154, 1698, 1731, 1981, 2547, 3462, 3962, 4039, 5094, 5193, 5943, 8078, 10386, 11886, 12117, 17829, 24234, 35658, 36351, 72702, 163291, 326582, 489873, 979746, 1143037, 1469619, 2286074, 2939238, 3429111, 6858222, 10287333, 20574666]

約数ペア:

[(1, 20574666), (2, 10287333), (3, 6858222), (6, 3429111), (7, 2939238), (9, 2286074), (14, 1469619), (18, 1143037), (21, 979746), (42, 489873), (63, 326582), (126, 163291), (283, 72702), (566, 36351), (577, 35658), (849, 24234), (1154, 17829), (1698, 12117), (1731, 11886), (1981, 10386), (2547, 8078), (3462, 5943), (3962, 5193), (4039, 5094)]