20456370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20663}}^1$

素因数の和:20687

約数の個数: 48

約数和(自身を含む): 58024512

約数和(自身を除く): 37568142

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20663, 41326, 61989, 103315, 123978, 185967, 206630, 227293, 309945, 371934, 454586, 619890, 681879, 929835, 1136465, 1363758, 1859670, 2045637, 2272930, 3409395, 4091274, 6818790, 10228185, 20456370]

約数ペア:

[(1, 20456370), (2, 10228185), (3, 6818790), (5, 4091274), (6, 3409395), (9, 2272930), (10, 2045637), (11, 1859670), (15, 1363758), (18, 1136465), (22, 929835), (30, 681879), (33, 619890), (45, 454586), (55, 371934), (66, 309945), (90, 227293), (99, 206630), (110, 185967), (165, 123978), (198, 103315), (330, 61989), (495, 41326), (990, 20663)]