20111380796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{643523}}^1$

素因数の和:644141

約数の個数: 24

約数和(自身を含む): 37965341904

約数和(自身を除く): 17853961108

約数列:

[1, 2, 4, 13, 26, 52, 601, 1202, 2404, 7813, 15626, 31252, 643523, 1287046, 2574092, 8365799, 16731598, 33463196, 386757323, 773514646, 1547029292, 5027845199, 10055690398, 20111380796]

約数ペア:

[(1, 20111380796), (2, 10055690398), (4, 5027845199), (13, 1547029292), (26, 773514646), (52, 386757323), (601, 33463196), (1202, 16731598), (2404, 8365799), (7813, 2574092), (15626, 1287046), (31252, 643523)]