20390538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16741}}^1$

素因数の和:16782

約数の個数: 32

約数和(自身を含む): 48216960

約数和(自身を除く): 27826422

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 16741, 33482, 50223, 100446, 117187, 234374, 351561, 485489, 703122, 970978, 1456467, 2912934, 3398423, 6796846, 10195269, 20390538]

約数ペア:

[(1, 20390538), (2, 10195269), (3, 6796846), (6, 3398423), (7, 2912934), (14, 1456467), (21, 970978), (29, 703122), (42, 485489), (58, 351561), (87, 234374), (174, 117187), (203, 100446), (406, 50223), (609, 33482), (1218, 16741)]