20216520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18719}}^1$

素因数の和:18739

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 47175480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18719, 37438, 56157, 74876, 93595, 112314, 149752, 168471, 187190, 224628, 280785, 336942, 374380, 449256, 505413, 561570, 673884, 748760, 842355, 1010826, 1123140, 1347768, 1684710, 2021652, 2246280, 2527065, 3369420, 4043304, 5054130, 6738840, 10108260, 20216520]

約数ペア:

[(1, 20216520), (2, 10108260), (3, 6738840), (4, 5054130), (5, 4043304), (6, 3369420), (8, 2527065), (9, 2246280), (10, 2021652), (12, 1684710), (15, 1347768), (18, 1123140), (20, 1010826), (24, 842355), (27, 748760), (30, 673884), (36, 561570), (40, 505413), (45, 449256), (54, 374380), (60, 336942), (72, 280785), (90, 224628), (108, 187190), (120, 168471), (135, 149752), (180, 112314), (216, 93595), (270, 74876), (360, 56157), (540, 37438), (1080, 18719)]