20321802

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 25804278

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 79, 93, 158, 186, 237, 279, 461, 474, 558, 711, 922, 1383, 1422, 2449, 2766, 4149, 4898, 7347, 8298, 14291, 14694, 22041, 28582, 36419, 42873, 44082, 72838, 85746, 109257, 128619, 218514, 257238, 327771, 655542, 1128989, 2257978, 3386967, 6773934, 10160901, 20321802]

約数ペア:

[(1, 20321802), (2, 10160901), (3, 6773934), (6, 3386967), (9, 2257978), (18, 1128989), (31, 655542), (62, 327771), (79, 257238), (93, 218514), (158, 128619), (186, 109257), (237, 85746), (279, 72838), (461, 44082), (474, 42873), (558, 36419), (711, 28582), (922, 22041), (1383, 14694), (1422, 14291), (2449, 8298), (2766, 7347), (4149, 4898)]