20154460039

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{69821}}^1$

素因数の和:70015

約数の個数: 24

約数和(自身を含む): 24165673488

約数和(自身を除く): 4011213449

約数列:

[1, 7, 43, 49, 137, 301, 959, 2107, 5891, 6713, 41237, 69821, 288659, 488747, 3002303, 3421229, 9565477, 21016121, 66958339, 147112847, 411315511, 468708373, 2879208577, 20154460039]

約数ペア:

[(1, 20154460039), (7, 2879208577), (43, 468708373), (49, 411315511), (137, 147112847), (301, 66958339), (959, 21016121), (2107, 9565477), (5891, 3421229), (6713, 3002303), (41237, 488747), (69821, 288659)]