20737352

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 41532480

約数和(自身を除く): 20795128

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2621, 3956, 5242, 7912, 10484, 20968, 60283, 112703, 120566, 225406, 241132, 450812, 482264, 901624, 2592169, 5184338, 10368676, 20737352]

約数ペア:

[(1, 20737352), (2, 10368676), (4, 5184338), (8, 2592169), (23, 901624), (43, 482264), (46, 450812), (86, 241132), (92, 225406), (172, 120566), (184, 112703), (344, 60283), (989, 20968), (1978, 10484), (2621, 7912), (3956, 5242)]