20164550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3389}}^1$

素因数の和:3425

約数の個数: 48

約数和(自身を含む): 45398880

約数和(自身を除く): 25234330

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 350, 425, 595, 850, 1190, 2975, 3389, 5950, 6778, 16945, 23723, 33890, 47446, 57613, 84725, 115226, 118615, 169450, 237230, 288065, 403291, 576130, 593075, 806582, 1186150, 1440325, 2016455, 2880650, 4032910, 10082275, 20164550]

約数ペア:

[(1, 20164550), (2, 10082275), (5, 4032910), (7, 2880650), (10, 2016455), (14, 1440325), (17, 1186150), (25, 806582), (34, 593075), (35, 576130), (50, 403291), (70, 288065), (85, 237230), (119, 169450), (170, 118615), (175, 115226), (238, 84725), (350, 57613), (425, 47446), (595, 33890), (850, 23723), (1190, 16945), (2975, 6778), (3389, 5950)]