20016693886

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{491159}}^1$

素因数の和:491280

約数の個数: 32

約数和(自身を含む): 35646428160

約数和(自身を除く): 15629734274

約数列:

[1, 2, 7, 14, 41, 71, 82, 142, 287, 497, 574, 994, 2911, 5822, 20377, 40754, 491159, 982318, 3438113, 6876226, 20137519, 34872289, 40275038, 69744578, 140962633, 244106023, 281925266, 488212046, 1429763849, 2859527698, 10008346943, 20016693886]

約数ペア:

[(1, 20016693886), (2, 10008346943), (7, 2859527698), (14, 1429763849), (41, 488212046), (71, 281925266), (82, 244106023), (142, 140962633), (287, 69744578), (497, 40275038), (574, 34872289), (994, 20137519), (2911, 6876226), (5822, 3438113), (20377, 982318), (40754, 491159)]