20205648

素因数分解:

$2^4\times 3^2\times {\mathrm{140317}}^1$

素因数の和:140331

約数の個数: 30

約数和(自身を含む): 56548154

約数和(自身を除く): 36342506

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140317, 280634, 420951, 561268, 841902, 1122536, 1262853, 1683804, 2245072, 2525706, 3367608, 5051412, 6735216, 10102824, 20205648]

約数ペア:

[(1, 20205648), (2, 10102824), (3, 6735216), (4, 5051412), (6, 3367608), (8, 2525706), (9, 2245072), (12, 1683804), (16, 1262853), (18, 1122536), (24, 841902), (36, 561268), (48, 420951), (72, 280634), (144, 140317)]