20990160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29153}}^1$

素因数の和:29172

約数の個数: 60

約数和(自身を含む): 70494372

約数和(自身を除く): 49504212

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, 29153, 58306, 87459, 116612, 145765, 174918, 233224, 262377, 291530, 349836, 437295, 466448, 524754, 583060, 699672, 874590, 1049508, 1166120, 1311885, 1399344, 1749180, 2099016, 2332240, 2623770, 3498360, 4198032, 5247540, 6996720, 10495080, 20990160]

約数ペア:

[(1, 20990160), (2, 10495080), (3, 6996720), (4, 5247540), (5, 4198032), (6, 3498360), (8, 2623770), (9, 2332240), (10, 2099016), (12, 1749180), (15, 1399344), (16, 1311885), (18, 1166120), (20, 1049508), (24, 874590), (30, 699672), (36, 583060), (40, 524754), (45, 466448), (48, 437295), (60, 349836), (72, 291530), (80, 262377), (90, 233224), (120, 174918), (144, 145765), (180, 116612), (240, 87459), (360, 58306), (720, 29153)]