20176360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8269}}^1$

素因数の和:8341

約数の個数: 32

約数和(自身を含む): 46146600

約数和(自身を除く): 25970240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 8269, 16538, 33076, 41345, 66152, 82690, 165380, 330760, 504409, 1008818, 2017636, 2522045, 4035272, 5044090, 10088180, 20176360]

約数ペア:

[(1, 20176360), (2, 10088180), (4, 5044090), (5, 4035272), (8, 2522045), (10, 2017636), (20, 1008818), (40, 504409), (61, 330760), (122, 165380), (244, 82690), (305, 66152), (488, 41345), (610, 33076), (1220, 16538), (2440, 8269)]