20512605558

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1\times {\mathrm{1163}}^1$

素因数の和:1689

約数の個数: 64

約数和(自身を含む): 42070275072

約数和(自身を除く): 21557669514

約数列:

[1, 2, 3, 6, 83, 107, 166, 214, 249, 321, 331, 498, 642, 662, 993, 1163, 1986, 2326, 3489, 6978, 8881, 17762, 26643, 27473, 35417, 53286, 54946, 70834, 82419, 96529, 106251, 124441, 164838, 193058, 212502, 248882, 289587, 373323, 384953, 579174, 746646, 769906, 1154859, 2309718, 2939611, 5879222, 8818833, 10328603, 17637666, 20657206, 30985809, 31951099, 41189971, 61971618, 63902198, 82379942, 95853297, 123569913, 191706594, 247139826, 3418767593, 6837535186, 10256302779, 20512605558]

約数ペア:

[(1, 20512605558), (2, 10256302779), (3, 6837535186), (6, 3418767593), (83, 247139826), (107, 191706594), (166, 123569913), (214, 95853297), (249, 82379942), (321, 63902198), (331, 61971618), (498, 41189971), (642, 31951099), (662, 30985809), (993, 20657206), (1163, 17637666), (1986, 10328603), (2326, 8818833), (3489, 5879222), (6978, 2939611), (8881, 2309718), (17762, 1154859), (26643, 769906), (27473, 746646), (35417, 579174), (53286, 384953), (54946, 373323), (70834, 289587), (82419, 248882), (96529, 212502), (106251, 193058), (124441, 164838)]