20200986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 47567520

約数和(自身を除く): 27366534

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 131, 234, 262, 393, 659, 786, 1179, 1318, 1703, 1977, 2358, 3406, 3954, 5109, 5931, 8567, 10218, 11862, 15327, 17134, 25701, 30654, 51402, 77103, 86329, 154206, 172658, 258987, 517974, 776961, 1122277, 1553922, 2244554, 3366831, 6733662, 10100493, 20200986]

約数ペア:

[(1, 20200986), (2, 10100493), (3, 6733662), (6, 3366831), (9, 2244554), (13, 1553922), (18, 1122277), (26, 776961), (39, 517974), (78, 258987), (117, 172658), (131, 154206), (234, 86329), (262, 77103), (393, 51402), (659, 30654), (786, 25701), (1179, 17134), (1318, 15327), (1703, 11862), (1977, 10218), (2358, 8567), (3406, 5931), (3954, 5109)]