20061020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8429}}^1$

素因数の和:8462

約数の個数: 48

約数和(自身を含む): 50984640

約数和(自身を除く): 30923620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8429, 16858, 33716, 42145, 59003, 84290, 118006, 143293, 168580, 236012, 286586, 295015, 573172, 590030, 716465, 1003051, 1180060, 1432930, 2006102, 2865860, 4012204, 5015255, 10030510, 20061020]

約数ペア:

[(1, 20061020), (2, 10030510), (4, 5015255), (5, 4012204), (7, 2865860), (10, 2006102), (14, 1432930), (17, 1180060), (20, 1003051), (28, 716465), (34, 590030), (35, 573172), (68, 295015), (70, 286586), (85, 236012), (119, 168580), (140, 143293), (170, 118006), (238, 84290), (340, 59003), (476, 42145), (595, 33716), (1190, 16858), (2380, 8429)]