20707036

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38923}}^1$

素因数の和:38953

約数の個数: 24

約数和(自身を含む): 43594880

約数和(自身を除く): 22887844

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38923, 77846, 155692, 272461, 544922, 739537, 1089844, 1479074, 2958148, 5176759, 10353518, 20707036]

約数ペア:

[(1, 20707036), (2, 10353518), (4, 5176759), (7, 2958148), (14, 1479074), (19, 1089844), (28, 739537), (38, 544922), (76, 272461), (133, 155692), (266, 77846), (532, 38923)]