20683711293

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{601}}^1\times {\mathrm{2273}}^1$

素因数の和:2994

約数の個数: 48

約数和(自身を含む): 32460494976

約数和(自身を除く): 11776783683

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 601, 721, 1803, 2163, 2273, 4207, 5047, 6819, 12621, 15141, 15911, 29449, 47733, 61903, 88347, 111377, 185709, 234119, 334131, 433321, 702357, 1299963, 1366073, 1638833, 3033247, 4098219, 4916499, 9099741, 9562511, 11471831, 28687533, 34415493, 66937577, 140705519, 200812731, 422116557, 984938633, 2954815899, 6894570431, 20683711293]

約数ペア:

[(1, 20683711293), (3, 6894570431), (7, 2954815899), (21, 984938633), (49, 422116557), (103, 200812731), (147, 140705519), (309, 66937577), (601, 34415493), (721, 28687533), (1803, 11471831), (2163, 9562511), (2273, 9099741), (4207, 4916499), (5047, 4098219), (6819, 3033247), (12621, 1638833), (15141, 1366073), (15911, 1299963), (29449, 702357), (47733, 433321), (61903, 334131), (88347, 234119), (111377, 185709)]