20912012008

素因数分解:

$2^3\times {\mathrm{15583}}^1\times {\mathrm{167747}}^1$

素因数の和:183336

約数の個数: 16

約数和(自身を含む): 39212772480

約数和(自身を除く): 18300760472

約数列:

[1, 2, 4, 8, 15583, 31166, 62332, 124664, 167747, 335494, 670988, 1341976, 2614001501, 5228003002, 10456006004, 20912012008]

約数ペア:

[(1, 20912012008), (2, 10456006004), (4, 5228003002), (8, 2614001501), (15583, 1341976), (31166, 670988), (62332, 335494), (124664, 167747)]