20420088

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65449}}^1$

素因数の和:65471

約数の個数: 32

約数和(自身を含む): 54978000

約数和(自身を除く): 34557912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65449, 130898, 196347, 261796, 392694, 523592, 785388, 850837, 1570776, 1701674, 2552511, 3403348, 5105022, 6806696, 10210044, 20420088]

約数ペア:

[(1, 20420088), (2, 10210044), (3, 6806696), (4, 5105022), (6, 3403348), (8, 2552511), (12, 1701674), (13, 1570776), (24, 850837), (26, 785388), (39, 523592), (52, 392694), (78, 261796), (104, 196347), (156, 130898), (312, 65449)]