20418784

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{22003}}^1$

素因数の和:22042

約数の個数: 24

約数和(自身を含む): 41587560

約数和(自身を除く): 21168776

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 22003, 44006, 88012, 176024, 352048, 638087, 704096, 1276174, 2552348, 5104696, 10209392, 20418784]

約数ペア:

[(1, 20418784), (2, 10209392), (4, 5104696), (8, 2552348), (16, 1276174), (29, 704096), (32, 638087), (58, 352048), (116, 176024), (232, 88012), (464, 44006), (928, 22003)]