20169988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{809}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 37013760

約数和(自身を除く): 16843772

約数列:

[1, 2, 4, 23, 46, 92, 271, 542, 809, 1084, 1618, 3236, 6233, 12466, 18607, 24932, 37214, 74428, 219239, 438478, 876956, 5042497, 10084994, 20169988]

約数ペア:

[(1, 20169988), (2, 10084994), (4, 5042497), (23, 876956), (46, 438478), (92, 219239), (271, 74428), (542, 37214), (809, 24932), (1084, 18607), (1618, 12466), (3236, 6233)]