20887524

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3947}}^1$

素因数の和:3974

約数の個数: 72

約数和(自身を含む): 63010080

約数和(自身を除く): 42122556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3947, 5292, 7894, 11841, 15788, 23682, 27629, 35523, 47364, 55258, 71046, 82887, 106569, 110516, 142092, 165774, 193403, 213138, 248661, 331548, 386806, 426276, 497322, 580209, 745983, 773612, 994644, 1160418, 1491966, 1740627, 2320836, 2983932, 3481254, 5221881, 6962508, 10443762, 20887524]

約数ペア:

[(1, 20887524), (2, 10443762), (3, 6962508), (4, 5221881), (6, 3481254), (7, 2983932), (9, 2320836), (12, 1740627), (14, 1491966), (18, 1160418), (21, 994644), (27, 773612), (28, 745983), (36, 580209), (42, 497322), (49, 426276), (54, 386806), (63, 331548), (84, 248661), (98, 213138), (108, 193403), (126, 165774), (147, 142092), (189, 110516), (196, 106569), (252, 82887), (294, 71046), (378, 55258), (441, 47364), (588, 35523), (756, 27629), (882, 23682), (1323, 15788), (1764, 11841), (2646, 7894), (3947, 5292)]