20791560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173263}}^1$

素因数の和:173277

約数の個数: 32

約数和(自身を含む): 62375040

約数和(自身を除く): 41583480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173263, 346526, 519789, 693052, 866315, 1039578, 1386104, 1732630, 2079156, 2598945, 3465260, 4158312, 5197890, 6930520, 10395780, 20791560]

約数ペア:

[(1, 20791560), (2, 10395780), (3, 6930520), (4, 5197890), (5, 4158312), (6, 3465260), (8, 2598945), (10, 2079156), (12, 1732630), (15, 1386104), (20, 1039578), (24, 866315), (30, 693052), (40, 519789), (60, 346526), (120, 173263)]