20479620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48761}}^1$

素因数の和:48780

約数の個数: 48

約数和(自身を含む): 65536128

約数和(自身を除く): 45056508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48761, 97522, 146283, 195044, 243805, 292566, 341327, 487610, 585132, 682654, 731415, 975220, 1023981, 1365308, 1462830, 1706635, 2047962, 2925660, 3413270, 4095924, 5119905, 6826540, 10239810, 20479620]

約数ペア:

[(1, 20479620), (2, 10239810), (3, 6826540), (4, 5119905), (5, 4095924), (6, 3413270), (7, 2925660), (10, 2047962), (12, 1706635), (14, 1462830), (15, 1365308), (20, 1023981), (21, 975220), (28, 731415), (30, 682654), (35, 585132), (42, 487610), (60, 341327), (70, 292566), (84, 243805), (105, 195044), (140, 146283), (210, 97522), (420, 48761)]