20084225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 31033728

約数和(自身を除く): 10949503

約数列:

[1, 5, 7, 17, 25, 35, 43, 85, 119, 157, 175, 215, 301, 425, 595, 731, 785, 1075, 1099, 1505, 2669, 2975, 3655, 3925, 5117, 5495, 6751, 7525, 13345, 18275, 18683, 25585, 27475, 33755, 47257, 66725, 93415, 114767, 127925, 168775, 236285, 467075, 573835, 803369, 1181425, 2869175, 4016845, 20084225]

約数ペア:

[(1, 20084225), (5, 4016845), (7, 2869175), (17, 1181425), (25, 803369), (35, 573835), (43, 467075), (85, 236285), (119, 168775), (157, 127925), (175, 114767), (215, 93415), (301, 66725), (425, 47257), (595, 33755), (731, 27475), (785, 25585), (1075, 18683), (1099, 18275), (1505, 13345), (2669, 7525), (2975, 6751), (3655, 5495), (3925, 5117)]