20974320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29131}}^1$

素因数の和:29150

約数の個数: 60

約数和(自身を含む): 70441176

約数和(自身を除く): 49466856

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, 29131, 58262, 87393, 116524, 145655, 174786, 233048, 262179, 291310, 349572, 436965, 466096, 524358, 582620, 699144, 873930, 1048716, 1165240, 1310895, 1398288, 1747860, 2097432, 2330480, 2621790, 3495720, 4194864, 5243580, 6991440, 10487160, 20974320]

約数ペア:

[(1, 20974320), (2, 10487160), (3, 6991440), (4, 5243580), (5, 4194864), (6, 3495720), (8, 2621790), (9, 2330480), (10, 2097432), (12, 1747860), (15, 1398288), (16, 1310895), (18, 1165240), (20, 1048716), (24, 873930), (30, 699144), (36, 582620), (40, 524358), (45, 466096), (48, 436965), (60, 349572), (72, 291310), (80, 262179), (90, 233048), (120, 174786), (144, 145655), (180, 116524), (240, 87393), (360, 58262), (720, 29131)]