20520810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{76003}}^1$

素因数の和:76019

約数の個数: 32

約数和(自身を含む): 54722880

約数和(自身を除く): 34202070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 76003, 152006, 228009, 380015, 456018, 684027, 760030, 1140045, 1368054, 2052081, 2280090, 3420135, 4104162, 6840270, 10260405, 20520810]

約数ペア:

[(1, 20520810), (2, 10260405), (3, 6840270), (5, 4104162), (6, 3420135), (9, 2280090), (10, 2052081), (15, 1368054), (18, 1140045), (27, 760030), (30, 684027), (45, 456018), (54, 380015), (90, 228009), (135, 152006), (270, 76003)]