20393932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2267}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 38673936

約数和(自身を除く): 18280004

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 2267, 4498, 4534, 8996, 9068, 29471, 58942, 117884, 392191, 784382, 1568764, 5098483, 10196966, 20393932]

約数ペア:

[(1, 20393932), (2, 10196966), (4, 5098483), (13, 1568764), (26, 784382), (52, 392191), (173, 117884), (346, 58942), (692, 29471), (2249, 9068), (2267, 8996), (4498, 4534)]