20114140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16487}}^1$

素因数の和:16557

約数の個数: 24

約数和(自身を含む): 42934752

約数和(自身を除く): 22820612

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16487, 32974, 65948, 82435, 164870, 329740, 1005707, 2011414, 4022828, 5028535, 10057070, 20114140]

約数ペア:

[(1, 20114140), (2, 10057070), (4, 5028535), (5, 4022828), (10, 2011414), (20, 1005707), (61, 329740), (122, 164870), (244, 82435), (305, 65948), (610, 32974), (1220, 16487)]