20647515144

素因数分解:

$2^3\times 3^1\times {\mathrm{11903}}^1\times {\mathrm{72277}}^1$

素因数の和:84189

約数の個数: 32

約数和(自身を含む): 51623838720

約数和(自身を除く): 30976323576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 11903, 23806, 35709, 47612, 71418, 72277, 95224, 142836, 144554, 216831, 285672, 289108, 433662, 578216, 867324, 1734648, 860313131, 1720626262, 2580939393, 3441252524, 5161878786, 6882505048, 10323757572, 20647515144]

約数ペア:

[(1, 20647515144), (2, 10323757572), (3, 6882505048), (4, 5161878786), (6, 3441252524), (8, 2580939393), (12, 1720626262), (24, 860313131), (11903, 1734648), (23806, 867324), (35709, 578216), (47612, 433662), (71418, 289108), (72277, 285672), (95224, 216831), (142836, 144554)]