20168738096

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{224977}}^1$

素因数の和:225429

約数の個数: 40

約数和(自身を含む): 42180675264

約数和(自身を除く): 22011937168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431, 862, 1724, 3448, 5603, 6896, 11206, 22412, 44824, 89648, 224977, 449954, 899908, 1799816, 2924701, 3599632, 5849402, 11698804, 23397608, 46795216, 96965087, 193930174, 387860348, 775720696, 1260546131, 1551441392, 2521092262, 5042184524, 10084369048, 20168738096]

約数ペア:

[(1, 20168738096), (2, 10084369048), (4, 5042184524), (8, 2521092262), (13, 1551441392), (16, 1260546131), (26, 775720696), (52, 387860348), (104, 193930174), (208, 96965087), (431, 46795216), (862, 23397608), (1724, 11698804), (3448, 5849402), (5603, 3599632), (6896, 2924701), (11206, 1799816), (22412, 899908), (44824, 449954), (89648, 224977)]