20409138

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5641}}^1$

素因数の和:5719

約数の個数: 32

約数和(自身を含む): 46038720

約数和(自身を除く): 25629582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5641, 11282, 16923, 33846, 50769, 101538, 152307, 304614, 377947, 755894, 1133841, 2267682, 3401523, 6803046, 10204569, 20409138]

約数ペア:

[(1, 20409138), (2, 10204569), (3, 6803046), (6, 3401523), (9, 2267682), (18, 1133841), (27, 755894), (54, 377947), (67, 304614), (134, 152307), (201, 101538), (402, 50769), (603, 33846), (1206, 16923), (1809, 11282), (3618, 5641)]