20807619675

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{127}}^2\times {\mathrm{167}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 35221245696

約数和(自身を除く): 14413626021

約数列:

[1, 3, 5, 15, 25, 75, 103, 127, 167, 309, 381, 501, 515, 635, 835, 1545, 1905, 2505, 2575, 3175, 4175, 7725, 9525, 12525, 13081, 16129, 17201, 21209, 39243, 48387, 51603, 63627, 65405, 80645, 86005, 106045, 196215, 241935, 258015, 318135, 327025, 403225, 430025, 530225, 981075, 1209675, 1290075, 1590675, 1661287, 2184527, 2693543, 4983861, 6553581, 8080629, 8306435, 10922635, 13467715, 24919305, 32767905, 40403145, 41532175, 54613175, 67338575, 124596525, 163839525, 202015725, 277434929, 832304787, 1387174645, 4161523935, 6935873225, 20807619675]

約数ペア:

[(1, 20807619675), (3, 6935873225), (5, 4161523935), (15, 1387174645), (25, 832304787), (75, 277434929), (103, 202015725), (127, 163839525), (167, 124596525), (309, 67338575), (381, 54613175), (501, 41532175), (515, 40403145), (635, 32767905), (835, 24919305), (1545, 13467715), (1905, 10922635), (2505, 8306435), (2575, 8080629), (3175, 6553581), (4175, 4983861), (7725, 2693543), (9525, 2184527), (12525, 1661287), (13081, 1590675), (16129, 1290075), (17201, 1209675), (21209, 981075), (39243, 530225), (48387, 430025), (51603, 403225), (63627, 327025), (65405, 318135), (80645, 258015), (86005, 241935), (106045, 196215)]