20803146

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5443}}^1$

素因数の和:5475

約数の個数: 48

約数和(自身を含む): 52131744

約数和(自身を除く): 31328598

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5443, 10886, 16329, 32658, 38101, 70759, 76202, 114303, 141518, 212277, 228606, 266707, 424554, 495313, 533414, 800121, 990626, 1485939, 1600242, 2971878, 3467191, 6934382, 10401573, 20803146]

約数ペア:

[(1, 20803146), (2, 10401573), (3, 6934382), (6, 3467191), (7, 2971878), (13, 1600242), (14, 1485939), (21, 990626), (26, 800121), (39, 533414), (42, 495313), (49, 424554), (78, 266707), (91, 228606), (98, 212277), (147, 141518), (182, 114303), (273, 76202), (294, 70759), (546, 38101), (637, 32658), (1274, 16329), (1911, 10886), (3822, 5443)]