20696499

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 32153600

約数和(自身を除く): 11457101

約数列:

[1, 3, 9, 27, 31, 79, 93, 237, 279, 313, 711, 837, 939, 2133, 2449, 2817, 7347, 8451, 9703, 22041, 24727, 29109, 66123, 74181, 87327, 222543, 261981, 667629, 766537, 2299611, 6898833, 20696499]

約数ペア:

[(1, 20696499), (3, 6898833), (9, 2299611), (27, 766537), (31, 667629), (79, 261981), (93, 222543), (237, 87327), (279, 74181), (313, 66123), (711, 29109), (837, 24727), (939, 22041), (2133, 9703), (2449, 8451), (2817, 7347)]