20568436

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6173}}^1$

素因数の和:6208

約数の個数: 36

約数和(自身を含む): 44341668

約数和(自身を除く): 23773232

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6173, 12346, 24692, 43211, 86422, 104941, 172844, 209882, 302477, 419764, 604954, 734587, 1209908, 1469174, 2938348, 5142109, 10284218, 20568436]

約数ペア:

[(1, 20568436), (2, 10284218), (4, 5142109), (7, 2938348), (14, 1469174), (17, 1209908), (28, 734587), (34, 604954), (49, 419764), (68, 302477), (98, 209882), (119, 172844), (196, 104941), (238, 86422), (476, 43211), (833, 24692), (1666, 12346), (3332, 6173)]