20187780208

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43508147}}^1$

素因数の和:43508184

約数の個数: 20

約数和(自身を含む): 40462577640

約数和(自身を除く): 20274797432

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43508147, 87016294, 174032588, 348065176, 696130352, 1261736263, 2523472526, 5046945052, 10093890104, 20187780208]

約数ペア:

[(1, 20187780208), (2, 10093890104), (4, 5046945052), (8, 2523472526), (16, 1261736263), (29, 696130352), (58, 348065176), (116, 174032588), (232, 87016294), (464, 43508147)]