20938410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2803}}^1$

素因数の和:2899

約数の個数: 48

約数和(自身を含む): 55115424

約数和(自身を除く): 34177014

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2803, 3735, 5606, 7470, 8409, 14015, 16818, 25227, 28030, 42045, 50454, 84090, 126135, 232649, 252270, 465298, 697947, 1163245, 1395894, 2093841, 2326490, 3489735, 4187682, 6979470, 10469205, 20938410]

約数ペア:

[(1, 20938410), (2, 10469205), (3, 6979470), (5, 4187682), (6, 3489735), (9, 2326490), (10, 2093841), (15, 1395894), (18, 1163245), (30, 697947), (45, 465298), (83, 252270), (90, 232649), (166, 126135), (249, 84090), (415, 50454), (498, 42045), (747, 28030), (830, 25227), (1245, 16818), (1494, 14015), (2490, 8409), (2803, 7470), (3735, 5606)]