20197265218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{462667}}^1$

素因数の和:462778

約数の個数: 32

約数和(自身を含む): 34511331456

約数和(自身を除く): 14314066238

約数列:

[1, 2, 13, 23, 26, 46, 73, 146, 299, 598, 949, 1679, 1898, 3358, 21827, 43654, 462667, 925334, 6014671, 10641341, 12029342, 21282682, 33774691, 67549382, 138337433, 276674866, 439070983, 776817893, 878141966, 1553635786, 10098632609, 20197265218]

約数ペア:

[(1, 20197265218), (2, 10098632609), (13, 1553635786), (23, 878141966), (26, 776817893), (46, 439070983), (73, 276674866), (146, 138337433), (299, 67549382), (598, 33774691), (949, 21282682), (1679, 12029342), (1898, 10641341), (3358, 6014671), (21827, 925334), (43654, 462667)]