20339774

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 40449024

約数和(自身を除く): 20109250

約数列:

[1, 2, 7, 13, 14, 23, 26, 43, 46, 86, 91, 113, 161, 182, 226, 299, 301, 322, 559, 598, 602, 791, 989, 1118, 1469, 1582, 1978, 2093, 2599, 2938, 3913, 4186, 4859, 5198, 6923, 7826, 9718, 10283, 12857, 13846, 18193, 20566, 25714, 33787, 34013, 36386, 63167, 67574, 68026, 89999, 111757, 126334, 179998, 223514, 236509, 442169, 473018, 782299, 884338, 1452841, 1564598, 2905682, 10169887, 20339774]

約数ペア:

[(1, 20339774), (2, 10169887), (7, 2905682), (13, 1564598), (14, 1452841), (23, 884338), (26, 782299), (43, 473018), (46, 442169), (86, 236509), (91, 223514), (113, 179998), (161, 126334), (182, 111757), (226, 89999), (299, 68026), (301, 67574), (322, 63167), (559, 36386), (598, 34013), (602, 33787), (791, 25714), (989, 20566), (1118, 18193), (1469, 13846), (1582, 12857), (1978, 10283), (2093, 9718), (2599, 7826), (2938, 6923), (3913, 5198), (4186, 4859)]