20871082

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 34499520

約数和(自身を除く): 13628438

約数列:

[1, 2, 19, 38, 43, 53, 86, 106, 241, 482, 817, 1007, 1634, 2014, 2279, 4558, 4579, 9158, 10363, 12773, 20726, 25546, 43301, 86602, 196897, 242687, 393794, 485374, 549239, 1098478, 10435541, 20871082]

約数ペア:

[(1, 20871082), (2, 10435541), (19, 1098478), (38, 549239), (43, 485374), (53, 393794), (86, 242687), (106, 196897), (241, 86602), (482, 43301), (817, 25546), (1007, 20726), (1634, 12773), (2014, 10363), (2279, 9158), (4558, 4579)]