20158376

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4337}}^1$

素因数の和:4433

約数の個数: 32

約数和(自身を含む): 43727040

約数和(自身を除く): 23568664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4337, 4648, 8674, 17348, 30359, 34696, 60718, 121436, 242872, 359971, 719942, 1439884, 2519797, 2879768, 5039594, 10079188, 20158376]

約数ペア:

[(1, 20158376), (2, 10079188), (4, 5039594), (7, 2879768), (8, 2519797), (14, 1439884), (28, 719942), (56, 359971), (83, 242872), (166, 121436), (332, 60718), (581, 34696), (664, 30359), (1162, 17348), (2324, 8674), (4337, 4648)]