20684034

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 51629760

約数和(自身を除く): 30945726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1181, 1251, 1946, 2362, 2502, 2919, 3543, 5838, 7086, 8267, 8757, 10629, 16534, 17514, 21258, 24801, 49602, 74403, 148806, 164159, 328318, 492477, 984954, 1149113, 1477431, 2298226, 2954862, 3447339, 6894678, 10342017, 20684034]

約数ペア:

[(1, 20684034), (2, 10342017), (3, 6894678), (6, 3447339), (7, 2954862), (9, 2298226), (14, 1477431), (18, 1149113), (21, 984954), (42, 492477), (63, 328318), (126, 164159), (139, 148806), (278, 74403), (417, 49602), (834, 24801), (973, 21258), (1181, 17514), (1251, 16534), (1946, 10629), (2362, 8757), (2502, 8267), (2919, 7086), (3543, 5838)]