20800164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22511}}^1$

素因数の和:22536

約数の個数: 48

約数和(自身を含む): 60512256

約数和(自身を除く): 39712092

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22511, 45022, 67533, 90044, 135066, 157577, 247621, 270132, 315154, 472731, 495242, 630308, 742863, 945462, 990484, 1485726, 1733347, 1890924, 2971452, 3466694, 5200041, 6933388, 10400082, 20800164]

約数ペア:

[(1, 20800164), (2, 10400082), (3, 6933388), (4, 5200041), (6, 3466694), (7, 2971452), (11, 1890924), (12, 1733347), (14, 1485726), (21, 990484), (22, 945462), (28, 742863), (33, 630308), (42, 495242), (44, 472731), (66, 315154), (77, 270132), (84, 247621), (132, 157577), (154, 135066), (231, 90044), (308, 67533), (462, 45022), (924, 22511)]