20061928

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 18463832

約数列:

[1, 2, 4, 8, 97, 103, 194, 206, 251, 388, 412, 502, 776, 824, 1004, 2008, 9991, 19982, 24347, 25853, 39964, 48694, 51706, 79928, 97388, 103412, 194776, 206824, 2507741, 5015482, 10030964, 20061928]

約数ペア:

[(1, 20061928), (2, 10030964), (4, 5015482), (8, 2507741), (97, 206824), (103, 194776), (194, 103412), (206, 97388), (251, 79928), (388, 51706), (412, 48694), (502, 39964), (776, 25853), (824, 24347), (1004, 19982), (2008, 9991)]