20139959175

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{27539}}^1$

素因数の和:27765

約数の個数: 72

約数和(自身を含む): 38930544000

約数和(自身を除く): 18790584825

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 199, 245, 525, 597, 735, 995, 1225, 1393, 2985, 3675, 4179, 4975, 6965, 9751, 14925, 20895, 27539, 29253, 34825, 48755, 82617, 104475, 137695, 146265, 192773, 243775, 413085, 578319, 688475, 731325, 963865, 1349411, 2065425, 2891595, 4048233, 4819325, 5480261, 6747055, 14457975, 16440783, 20241165, 27401305, 33735275, 38361827, 82203915, 101205825, 115085481, 137006525, 191809135, 268532789, 411019575, 575427405, 805598367, 959045675, 1342663945, 2877137025, 4027991835, 6713319725, 20139959175]

約数ペア:

[(1, 20139959175), (3, 6713319725), (5, 4027991835), (7, 2877137025), (15, 1342663945), (21, 959045675), (25, 805598367), (35, 575427405), (49, 411019575), (75, 268532789), (105, 191809135), (147, 137006525), (175, 115085481), (199, 101205825), (245, 82203915), (525, 38361827), (597, 33735275), (735, 27401305), (995, 20241165), (1225, 16440783), (1393, 14457975), (2985, 6747055), (3675, 5480261), (4179, 4819325), (4975, 4048233), (6965, 2891595), (9751, 2065425), (14925, 1349411), (20895, 963865), (27539, 731325), (29253, 688475), (34825, 578319), (48755, 413085), (82617, 243775), (104475, 192773), (137695, 146265)]