20167400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 52228800

約数和(自身を除く): 32061400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 89, 100, 103, 110, 178, 200, 206, 220, 275, 356, 412, 440, 445, 515, 550, 712, 824, 890, 979, 1030, 1100, 1133, 1780, 1958, 2060, 2200, 2225, 2266, 2575, 3560, 3916, 4120, 4450, 4532, 4895, 5150, 5665, 7832, 8900, 9064, 9167, 9790, 10300, 11330, 17800, 18334, 19580, 20600, 22660, 24475, 28325, 36668, 39160, 45320, 45835, 48950, 56650, 73336, 91670, 97900, 100837, 113300, 183340, 195800, 201674, 226600, 229175, 366680, 403348, 458350, 504185, 806696, 916700, 1008370, 1833400, 2016740, 2520925, 4033480, 5041850, 10083700, 20167400]

約数ペア:

[(1, 20167400), (2, 10083700), (4, 5041850), (5, 4033480), (8, 2520925), (10, 2016740), (11, 1833400), (20, 1008370), (22, 916700), (25, 806696), (40, 504185), (44, 458350), (50, 403348), (55, 366680), (88, 229175), (89, 226600), (100, 201674), (103, 195800), (110, 183340), (178, 113300), (200, 100837), (206, 97900), (220, 91670), (275, 73336), (356, 56650), (412, 48950), (440, 45835), (445, 45320), (515, 39160), (550, 36668), (712, 28325), (824, 24475), (890, 22660), (979, 20600), (1030, 19580), (1100, 18334), (1133, 17800), (1780, 11330), (1958, 10300), (2060, 9790), (2200, 9167), (2225, 9064), (2266, 8900), (2575, 7832), (3560, 5665), (3916, 5150), (4120, 4895), (4450, 4532)]