20018160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27803}}^1$

素因数の和:27822

約数の個数: 60

約数和(自身を含む): 67230072

約数和(自身を除く): 47211912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27803, 55606, 83409, 111212, 139015, 166818, 222424, 250227, 278030, 333636, 417045, 444848, 500454, 556060, 667272, 834090, 1000908, 1112120, 1251135, 1334544, 1668180, 2001816, 2224240, 2502270, 3336360, 4003632, 5004540, 6672720, 10009080, 20018160]

約数ペア:

[(1, 20018160), (2, 10009080), (3, 6672720), (4, 5004540), (5, 4003632), (6, 3336360), (8, 2502270), (9, 2224240), (10, 2001816), (12, 1668180), (15, 1334544), (16, 1251135), (18, 1112120), (20, 1000908), (24, 834090), (30, 667272), (36, 556060), (40, 500454), (45, 444848), (48, 417045), (60, 333636), (72, 278030), (80, 250227), (90, 222424), (120, 166818), (144, 139015), (180, 111212), (240, 83409), (360, 55606), (720, 27803)]