20453896

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 40328640

約数和(自身を除く): 19874744

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 1607, 3182, 3214, 6364, 6428, 12728, 12856, 59459, 69101, 118918, 138202, 237836, 276404, 475672, 552808, 2556737, 5113474, 10226948, 20453896]

約数ペア:

[(1, 20453896), (2, 10226948), (4, 5113474), (8, 2556737), (37, 552808), (43, 475672), (74, 276404), (86, 237836), (148, 138202), (172, 118918), (296, 69101), (344, 59459), (1591, 12856), (1607, 12728), (3182, 6428), (3214, 6364)]