201996978020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234880207}}^1$

素因数の和:234880259

約数の個数: 24

約数和(自身を含む): 434058624384

約数和(自身を除く): 232061646364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234880207, 469760414, 939520828, 1174401035, 2348802070, 4697604140, 10099848901, 20199697802, 40399395604, 50499244505, 100998489010, 201996978020]

約数ペア:

[(1, 201996978020), (2, 100998489010), (4, 50499244505), (5, 40399395604), (10, 20199697802), (20, 10099848901), (43, 4697604140), (86, 2348802070), (172, 1174401035), (215, 939520828), (430, 469760414), (860, 234880207)]