20610135

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 24205545

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 719, 735, 819, 1365, 1911, 2157, 2205, 3185, 3595, 4095, 5033, 5733, 6471, 9347, 9555, 10785, 15099, 25165, 28041, 28665, 32355, 35231, 45297, 46735, 65429, 75495, 84123, 105693, 140205, 176155, 196287, 226485, 317079, 327145, 420615, 458003, 528465, 588861, 981435, 1374009, 1585395, 2290015, 2944305, 4122027, 6870045, 20610135]

約数ペア:

[(1, 20610135), (3, 6870045), (5, 4122027), (7, 2944305), (9, 2290015), (13, 1585395), (15, 1374009), (21, 981435), (35, 588861), (39, 528465), (45, 458003), (49, 420615), (63, 327145), (65, 317079), (91, 226485), (105, 196287), (117, 176155), (147, 140205), (195, 105693), (245, 84123), (273, 75495), (315, 65429), (441, 46735), (455, 45297), (585, 35231), (637, 32355), (719, 28665), (735, 28041), (819, 25165), (1365, 15099), (1911, 10785), (2157, 9555), (2205, 9347), (3185, 6471), (3595, 5733), (4095, 5033)]