20804151387

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{367}}^1\times {\mathrm{433}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 29811203072

約数和(自身を除く): 9007051685

約数列:

[1, 3, 17, 51, 151, 289, 367, 433, 453, 867, 1101, 1299, 2567, 6239, 7361, 7701, 18717, 22083, 43639, 55417, 65383, 106063, 125137, 130917, 158911, 166251, 196149, 318189, 375411, 476733, 942089, 1111511, 2701487, 2826267, 3334533, 8104461, 16015513, 18895687, 23995561, 45925279, 48046539, 56687061, 71986683, 137775837, 407924537, 1223773611, 6934717129, 20804151387]

約数ペア:

[(1, 20804151387), (3, 6934717129), (17, 1223773611), (51, 407924537), (151, 137775837), (289, 71986683), (367, 56687061), (433, 48046539), (453, 45925279), (867, 23995561), (1101, 18895687), (1299, 16015513), (2567, 8104461), (6239, 3334533), (7361, 2826267), (7701, 2701487), (18717, 1111511), (22083, 942089), (43639, 476733), (55417, 375411), (65383, 318189), (106063, 196149), (125137, 166251), (130917, 158911)]