20791140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2003}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 58580928

約数和(自身を除く): 37789788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 2003, 2076, 2595, 3460, 4006, 5190, 6009, 8012, 10015, 10380, 12018, 20030, 24036, 30045, 40060, 60090, 120180, 346519, 693038, 1039557, 1386076, 1732595, 2079114, 3465190, 4158228, 5197785, 6930380, 10395570, 20791140]

約数ペア:

[(1, 20791140), (2, 10395570), (3, 6930380), (4, 5197785), (5, 4158228), (6, 3465190), (10, 2079114), (12, 1732595), (15, 1386076), (20, 1039557), (30, 693038), (60, 346519), (173, 120180), (346, 60090), (519, 40060), (692, 30045), (865, 24036), (1038, 20030), (1730, 12018), (2003, 10380), (2076, 10015), (2595, 8012), (3460, 6009), (4006, 5190)]