20701318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 35228160

約数和(自身を除く): 14526842

約数列:

[1, 2, 11, 22, 43, 79, 86, 158, 277, 473, 554, 869, 946, 1738, 3047, 3397, 6094, 6794, 11911, 21883, 23822, 37367, 43766, 74734, 131021, 240713, 262042, 481426, 940969, 1881938, 10350659, 20701318]

約数ペア:

[(1, 20701318), (2, 10350659), (11, 1881938), (22, 940969), (43, 481426), (79, 262042), (86, 240713), (158, 131021), (277, 74734), (473, 43766), (554, 37367), (869, 23822), (946, 21883), (1738, 11911), (3047, 6794), (3397, 6094)]