20696060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 34461700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 151, 154, 178, 220, 302, 308, 356, 385, 445, 604, 623, 755, 770, 890, 979, 1057, 1246, 1510, 1540, 1661, 1780, 1958, 2114, 2492, 3020, 3115, 3322, 3916, 4228, 4895, 5285, 6230, 6644, 6853, 8305, 9790, 10570, 11627, 12460, 13439, 13706, 16610, 19580, 21140, 23254, 26878, 27412, 33220, 34265, 46508, 53756, 58135, 67195, 68530, 94073, 116270, 134390, 137060, 147829, 188146, 232540, 268780, 295658, 376292, 470365, 591316, 739145, 940730, 1034803, 1478290, 1881460, 2069606, 2956580, 4139212, 5174015, 10348030, 20696060]

約数ペア:

[(1, 20696060), (2, 10348030), (4, 5174015), (5, 4139212), (7, 2956580), (10, 2069606), (11, 1881460), (14, 1478290), (20, 1034803), (22, 940730), (28, 739145), (35, 591316), (44, 470365), (55, 376292), (70, 295658), (77, 268780), (89, 232540), (110, 188146), (140, 147829), (151, 137060), (154, 134390), (178, 116270), (220, 94073), (302, 68530), (308, 67195), (356, 58135), (385, 53756), (445, 46508), (604, 34265), (623, 33220), (755, 27412), (770, 26878), (890, 23254), (979, 21140), (1057, 19580), (1246, 16610), (1510, 13706), (1540, 13439), (1661, 12460), (1780, 11627), (1958, 10570), (2114, 9790), (2492, 8305), (3020, 6853), (3115, 6644), (3322, 6230), (3916, 5285), (4228, 4895)]