20625090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 51874560

約数和(自身を除く): 31249470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 151, 157, 174, 290, 302, 314, 435, 453, 471, 755, 785, 870, 906, 942, 1510, 1570, 2265, 2355, 4379, 4530, 4553, 4710, 8758, 9106, 13137, 13659, 21895, 22765, 23707, 26274, 27318, 43790, 45530, 47414, 65685, 68295, 71121, 118535, 131370, 136590, 142242, 237070, 355605, 687503, 711210, 1375006, 2062509, 3437515, 4125018, 6875030, 10312545, 20625090]

約数ペア:

[(1, 20625090), (2, 10312545), (3, 6875030), (5, 4125018), (6, 3437515), (10, 2062509), (15, 1375006), (29, 711210), (30, 687503), (58, 355605), (87, 237070), (145, 142242), (151, 136590), (157, 131370), (174, 118535), (290, 71121), (302, 68295), (314, 65685), (435, 47414), (453, 45530), (471, 43790), (755, 27318), (785, 26274), (870, 23707), (906, 22765), (942, 21895), (1510, 13659), (1570, 13137), (2265, 9106), (2355, 8758), (4379, 4710), (4530, 4553)]