19806760

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1427}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 24918200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1427, 1735, 2776, 2854, 3470, 5708, 6940, 7135, 11416, 13880, 14270, 28540, 57080, 495169, 990338, 1980676, 2475845, 3961352, 4951690, 9903380, 19806760]

約数ペア:

[(1, 19806760), (2, 9903380), (4, 4951690), (5, 3961352), (8, 2475845), (10, 1980676), (20, 990338), (40, 495169), (347, 57080), (694, 28540), (1388, 14270), (1427, 13880), (1735, 11416), (2776, 7135), (2854, 6940), (3470, 5708)]