20199083728

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1289}}^1\times {\mathrm{9697}}^1$

素因数の和:11095

約数の個数: 40

約数和(自身を含む): 39557948040

約数和(自身を除く): 19358864312

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1289, 1616, 2578, 5156, 9697, 10312, 19394, 20624, 38788, 77576, 130189, 155152, 260378, 520756, 979397, 1041512, 1958794, 2083024, 3917588, 7835176, 12499433, 15670352, 24998866, 49997732, 99995464, 199990928, 1262442733, 2524885466, 5049770932, 10099541864, 20199083728]

約数ペア:

[(1, 20199083728), (2, 10099541864), (4, 5049770932), (8, 2524885466), (16, 1262442733), (101, 199990928), (202, 99995464), (404, 49997732), (808, 24998866), (1289, 15670352), (1616, 12499433), (2578, 7835176), (5156, 3917588), (9697, 2083024), (10312, 1958794), (19394, 1041512), (20624, 979397), (38788, 520756), (77576, 260378), (130189, 155152)]