20242768

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13903}}^1$

素因数の和:13931

約数の個数: 40

約数和(自身を含む): 48274688

約数和(自身を除く): 28031920

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13903, 27806, 55612, 97321, 111224, 180739, 194642, 222448, 361478, 389284, 722956, 778568, 1265173, 1445912, 1557136, 2530346, 2891824, 5060692, 10121384, 20242768]

約数ペア:

[(1, 20242768), (2, 10121384), (4, 5060692), (7, 2891824), (8, 2530346), (13, 1557136), (14, 1445912), (16, 1265173), (26, 778568), (28, 722956), (52, 389284), (56, 361478), (91, 222448), (104, 194642), (112, 180739), (182, 111224), (208, 97321), (364, 55612), (728, 27806), (1456, 13903)]