20712660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18169}}^1$

素因数の和:18200

約数の個数: 48

約数和(自身を含む): 61051200

約数和(自身を除く): 40338540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18169, 36338, 54507, 72676, 90845, 109014, 181690, 218028, 272535, 345211, 363380, 545070, 690422, 1035633, 1090140, 1380844, 1726055, 2071266, 3452110, 4142532, 5178165, 6904220, 10356330, 20712660]

約数ペア:

[(1, 20712660), (2, 10356330), (3, 6904220), (4, 5178165), (5, 4142532), (6, 3452110), (10, 2071266), (12, 1726055), (15, 1380844), (19, 1090140), (20, 1035633), (30, 690422), (38, 545070), (57, 363380), (60, 345211), (76, 272535), (95, 218028), (114, 181690), (190, 109014), (228, 90845), (285, 72676), (380, 54507), (570, 36338), (1140, 18169)]