20013992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131671}}^1$

素因数の和:131696

約数の個数: 16

約数和(自身を含む): 39501600

約数和(自身を除く): 19487608

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131671, 263342, 526684, 1053368, 2501749, 5003498, 10006996, 20013992]

約数ペア:

[(1, 20013992), (2, 10006996), (4, 5003498), (8, 2501749), (19, 1053368), (38, 526684), (76, 263342), (152, 131671)]