20565738738

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{985799}}^1$

素因数の和:985887

約数の個数: 48

約数和(自身を含む): 47673288000

約数和(自身を除く): 27107549262

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 1098, 1159, 2318, 3477, 6954, 10431, 20862, 985799, 1971598, 2957397, 5914794, 8872191, 17744382, 18730181, 37460362, 56190543, 60133739, 112381086, 120267478, 168571629, 180401217, 337143258, 360802434, 541203651, 1082407302, 1142541041, 2285082082, 3427623123, 6855246246, 10282869369, 20565738738]

約数ペア:

[(1, 20565738738), (2, 10282869369), (3, 6855246246), (6, 3427623123), (9, 2285082082), (18, 1142541041), (19, 1082407302), (38, 541203651), (57, 360802434), (61, 337143258), (114, 180401217), (122, 168571629), (171, 120267478), (183, 112381086), (342, 60133739), (366, 56190543), (549, 37460362), (1098, 18730181), (1159, 17744382), (2318, 8872191), (3477, 5914794), (6954, 2957397), (10431, 1971598), (20862, 985799)]