20796525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5437}}^1$

素因数の和:5470

約数の個数: 36

約数和(自身を含む): 39447252

約数和(自身を除く): 18650727

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5437, 16311, 27185, 48933, 81555, 92429, 135925, 244665, 277287, 407775, 462145, 831861, 1223325, 1386435, 2310725, 4159305, 6932175, 20796525]

約数ペア:

[(1, 20796525), (3, 6932175), (5, 4159305), (9, 2310725), (15, 1386435), (17, 1223325), (25, 831861), (45, 462145), (51, 407775), (75, 277287), (85, 244665), (153, 135925), (225, 92429), (255, 81555), (425, 48933), (765, 27185), (1275, 16311), (3825, 5437)]