20922480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29059}}^1$

素因数の和:29078

約数の個数: 60

約数和(自身を含む): 70267080

約数和(自身を除く): 49344600

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, 29059, 58118, 87177, 116236, 145295, 174354, 232472, 261531, 290590, 348708, 435885, 464944, 523062, 581180, 697416, 871770, 1046124, 1162360, 1307655, 1394832, 1743540, 2092248, 2324720, 2615310, 3487080, 4184496, 5230620, 6974160, 10461240, 20922480]

約数ペア:

[(1, 20922480), (2, 10461240), (3, 6974160), (4, 5230620), (5, 4184496), (6, 3487080), (8, 2615310), (9, 2324720), (10, 2092248), (12, 1743540), (15, 1394832), (16, 1307655), (18, 1162360), (20, 1046124), (24, 871770), (30, 697416), (36, 581180), (40, 523062), (45, 464944), (48, 435885), (60, 348708), (72, 290590), (80, 261531), (90, 232472), (120, 174354), (144, 145295), (180, 116236), (240, 87177), (360, 58118), (720, 29059)]