20881854

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55243}}^1$

素因数の和:55261

約数の個数: 32

約数和(自身を含む): 53034240

約数和(自身を除く): 32152386

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55243, 110486, 165729, 331458, 386701, 497187, 773402, 994374, 1160103, 1491561, 2320206, 2983122, 3480309, 6960618, 10440927, 20881854]

約数ペア:

[(1, 20881854), (2, 10440927), (3, 6960618), (6, 3480309), (7, 2983122), (9, 2320206), (14, 1491561), (18, 1160103), (21, 994374), (27, 773402), (42, 497187), (54, 386701), (63, 331458), (126, 165729), (189, 110486), (378, 55243)]