20128668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8263}}^1$

素因数の和:8306

約数の個数: 48

約数和(自身を含む): 55534080

約数和(自身を除く): 35405412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8263, 16526, 24789, 33052, 49578, 57841, 99156, 115682, 173523, 231364, 239627, 347046, 479254, 694092, 718881, 958508, 1437762, 1677389, 2875524, 3354778, 5032167, 6709556, 10064334, 20128668]

約数ペア:

[(1, 20128668), (2, 10064334), (3, 6709556), (4, 5032167), (6, 3354778), (7, 2875524), (12, 1677389), (14, 1437762), (21, 958508), (28, 718881), (29, 694092), (42, 479254), (58, 347046), (84, 239627), (87, 231364), (116, 173523), (174, 115682), (203, 99156), (348, 57841), (406, 49578), (609, 33052), (812, 24789), (1218, 16526), (2436, 8263)]