20214378

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 46141056

約数和(自身を除く): 25926678

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 157, 207, 311, 314, 414, 471, 622, 933, 942, 1413, 1866, 2799, 2826, 3611, 5598, 7153, 7222, 10833, 14306, 21459, 21666, 32499, 42918, 48827, 64377, 64998, 97654, 128754, 146481, 292962, 439443, 878886, 1123021, 2246042, 3369063, 6738126, 10107189, 20214378]

約数ペア:

[(1, 20214378), (2, 10107189), (3, 6738126), (6, 3369063), (9, 2246042), (18, 1123021), (23, 878886), (46, 439443), (69, 292962), (138, 146481), (157, 128754), (207, 97654), (311, 64998), (314, 64377), (414, 48827), (471, 42918), (622, 32499), (933, 21666), (942, 21459), (1413, 14306), (1866, 10833), (2799, 7222), (2826, 7153), (3611, 5598)]