20718684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82217}}^1$

素因数の和:82234

約数の個数: 36

約数和(自身を含む): 59854704

約数和(自身を除く): 39136020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82217, 164434, 246651, 328868, 493302, 575519, 739953, 986604, 1151038, 1479906, 1726557, 2302076, 2959812, 3453114, 5179671, 6906228, 10359342, 20718684]

約数ペア:

[(1, 20718684), (2, 10359342), (3, 6906228), (4, 5179671), (6, 3453114), (7, 2959812), (9, 2302076), (12, 1726557), (14, 1479906), (18, 1151038), (21, 986604), (28, 739953), (36, 575519), (42, 493302), (63, 328868), (84, 246651), (126, 164434), (252, 82217)]