20066375

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 12281785

約数列:

[1, 5, 7, 17, 19, 25, 35, 71, 85, 95, 119, 125, 133, 175, 323, 355, 425, 475, 497, 595, 665, 875, 1207, 1349, 1615, 1775, 2125, 2261, 2375, 2485, 2975, 3325, 6035, 6745, 8075, 8449, 8875, 9443, 11305, 12425, 14875, 16625, 22933, 30175, 33725, 40375, 42245, 47215, 56525, 62125, 114665, 150875, 160531, 168625, 211225, 236075, 282625, 573325, 802655, 1056125, 1180375, 2866625, 4013275, 20066375]

約数ペア:

[(1, 20066375), (5, 4013275), (7, 2866625), (17, 1180375), (19, 1056125), (25, 802655), (35, 573325), (71, 282625), (85, 236075), (95, 211225), (119, 168625), (125, 160531), (133, 150875), (175, 114665), (323, 62125), (355, 56525), (425, 47215), (475, 42245), (497, 40375), (595, 33725), (665, 30175), (875, 22933), (1207, 16625), (1349, 14875), (1615, 12425), (1775, 11305), (2125, 9443), (2261, 8875), (2375, 8449), (2485, 8075), (2975, 6745), (3325, 6035)]