22720995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 43366752

約数和(自身を除く): 20645757

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 197, 233, 495, 591, 699, 985, 1165, 1773, 2097, 2167, 2563, 2955, 3495, 6501, 7689, 8865, 10485, 10835, 12815, 19503, 23067, 32505, 38445, 45901, 97515, 115335, 137703, 229505, 413109, 504911, 688515, 1514733, 2065545, 2524555, 4544199, 7573665, 22720995]

約数ペア:

[(1, 22720995), (3, 7573665), (5, 4544199), (9, 2524555), (11, 2065545), (15, 1514733), (33, 688515), (45, 504911), (55, 413109), (99, 229505), (165, 137703), (197, 115335), (233, 97515), (495, 45901), (591, 38445), (699, 32505), (985, 23067), (1165, 19503), (1773, 12815), (2097, 10835), (2167, 10485), (2563, 8865), (2955, 7689), (3495, 6501)]