20209320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 66666600

約数和(自身を除く): 46457280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 90, 120, 146, 180, 219, 292, 360, 365, 438, 584, 657, 730, 769, 876, 1095, 1314, 1460, 1538, 1752, 2190, 2307, 2628, 2920, 3076, 3285, 3845, 4380, 4614, 5256, 6152, 6570, 6921, 7690, 8760, 9228, 11535, 13140, 13842, 15380, 18456, 23070, 26280, 27684, 30760, 34605, 46140, 55368, 56137, 69210, 92280, 112274, 138420, 168411, 224548, 276840, 280685, 336822, 449096, 505233, 561370, 673644, 842055, 1010466, 1122740, 1347288, 1684110, 2020932, 2245480, 2526165, 3368220, 4041864, 5052330, 6736440, 10104660, 20209320]

約数ペア:

[(1, 20209320), (2, 10104660), (3, 6736440), (4, 5052330), (5, 4041864), (6, 3368220), (8, 2526165), (9, 2245480), (10, 2020932), (12, 1684110), (15, 1347288), (18, 1122740), (20, 1010466), (24, 842055), (30, 673644), (36, 561370), (40, 505233), (45, 449096), (60, 336822), (72, 280685), (73, 276840), (90, 224548), (120, 168411), (146, 138420), (180, 112274), (219, 92280), (292, 69210), (360, 56137), (365, 55368), (438, 46140), (584, 34605), (657, 30760), (730, 27684), (769, 26280), (876, 23070), (1095, 18456), (1314, 15380), (1460, 13842), (1538, 13140), (1752, 11535), (2190, 9228), (2307, 8760), (2628, 7690), (2920, 6921), (3076, 6570), (3285, 6152), (3845, 5256), (4380, 4614)]