20379660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48523}}^1$

素因数の和:48542

約数の個数: 48

約数和(自身を含む): 65216256

約数和(自身を除く): 44836596

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, 48523, 97046, 145569, 194092, 242615, 291138, 339661, 485230, 582276, 679322, 727845, 970460, 1018983, 1358644, 1455690, 1698305, 2037966, 2911380, 3396610, 4075932, 5094915, 6793220, 10189830, 20379660]

約数ペア:

[(1, 20379660), (2, 10189830), (3, 6793220), (4, 5094915), (5, 4075932), (6, 3396610), (7, 2911380), (10, 2037966), (12, 1698305), (14, 1455690), (15, 1358644), (20, 1018983), (21, 970460), (28, 727845), (30, 679322), (35, 582276), (42, 485230), (60, 339661), (70, 291138), (84, 242615), (105, 194092), (140, 145569), (210, 97046), (420, 48523)]