20121844673

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1\times {\mathrm{18229}}^1$

素因数の和:20528

約数の個数: 16

約数和(自身を含む): 23332066560

約数和(自身を除く): 3210221887

約数列:

[1, 7, 71, 497, 2221, 15547, 18229, 127603, 157691, 1103837, 1294259, 9059813, 40486609, 283406263, 2874549239, 20121844673]

約数ペア:

[(1, 20121844673), (7, 2874549239), (71, 283406263), (497, 40486609), (2221, 9059813), (15547, 1294259), (18229, 1103837), (127603, 157691)]