20189671617

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{947}}^1\times {\mathrm{1283}}^1$

素因数の和:2453

約数の個数: 32

約数和(自身を含む): 28045025280

約数和(自身を除く): 7855353663

約数列:

[1, 3, 29, 87, 191, 573, 947, 1283, 2841, 3849, 5539, 16617, 27463, 37207, 82389, 111621, 180877, 245053, 542631, 735159, 1215001, 3645003, 5245433, 7106537, 15736299, 21319611, 35235029, 105705087, 232065191, 696195573, 6729890539, 20189671617]

約数ペア:

[(1, 20189671617), (3, 6729890539), (29, 696195573), (87, 232065191), (191, 105705087), (573, 35235029), (947, 21319611), (1283, 15736299), (2841, 7106537), (3849, 5245433), (5539, 3645003), (16617, 1215001), (27463, 735159), (37207, 542631), (82389, 245053), (111621, 180877)]