20289210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11087}}^1$

素因数の和:11158

約数の個数: 32

約数和(自身を含む): 49496832

約数和(自身を除く): 29207622

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11087, 22174, 33261, 55435, 66522, 110870, 166305, 332610, 676307, 1352614, 2028921, 3381535, 4057842, 6763070, 10144605, 20289210]

約数ペア:

[(1, 20289210), (2, 10144605), (3, 6763070), (5, 4057842), (6, 3381535), (10, 2028921), (15, 1352614), (30, 676307), (61, 332610), (122, 166305), (183, 110870), (305, 66522), (366, 55435), (610, 33261), (915, 22174), (1830, 11087)]