20176891210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{8419}}^1$

素因数の和:8580

約数の個数: 96

約数和(自身を含む): 43471045440

約数和(自身を除く): 23294154230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 73, 98, 134, 146, 245, 335, 365, 469, 490, 511, 670, 730, 938, 1022, 2345, 2555, 3283, 3577, 4690, 4891, 5110, 6566, 7154, 8419, 9782, 16415, 16838, 17885, 24455, 32830, 34237, 35770, 42095, 48910, 58933, 68474, 84190, 117866, 171185, 239659, 294665, 342370, 412531, 479318, 564073, 589330, 614587, 825062, 1128146, 1198295, 1229174, 2062655, 2396590, 2820365, 3072935, 3948511, 4125310, 4302109, 5640730, 6145870, 7897022, 8604218, 19742555, 21510545, 27639577, 30114763, 39485110, 41177329, 43021090, 55279154, 60229526, 82354658, 138197885, 150573815, 205886645, 276395770, 288241303, 301147630, 411773290, 576482606, 1441206515, 2017689121, 2882413030, 4035378242, 10088445605, 20176891210]

約数ペア:

[(1, 20176891210), (2, 10088445605), (5, 4035378242), (7, 2882413030), (10, 2017689121), (14, 1441206515), (35, 576482606), (49, 411773290), (67, 301147630), (70, 288241303), (73, 276395770), (98, 205886645), (134, 150573815), (146, 138197885), (245, 82354658), (335, 60229526), (365, 55279154), (469, 43021090), (490, 41177329), (511, 39485110), (670, 30114763), (730, 27639577), (938, 21510545), (1022, 19742555), (2345, 8604218), (2555, 7897022), (3283, 6145870), (3577, 5640730), (4690, 4302109), (4891, 4125310), (5110, 3948511), (6566, 3072935), (7154, 2820365), (8419, 2396590), (9782, 2062655), (16415, 1229174), (16838, 1198295), (17885, 1128146), (24455, 825062), (32830, 614587), (34237, 589330), (35770, 564073), (42095, 479318), (48910, 412531), (58933, 342370), (68474, 294665), (84190, 239659), (117866, 171185)]