20434245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 36043392

約数和(自身を除く): 15609147

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2437, 2795, 7311, 8385, 12185, 31681, 36555, 95043, 104791, 158405, 314373, 475215, 523955, 1362283, 1571865, 4086849, 6811415, 20434245]

約数ペア:

[(1, 20434245), (3, 6811415), (5, 4086849), (13, 1571865), (15, 1362283), (39, 523955), (43, 475215), (65, 314373), (129, 158405), (195, 104791), (215, 95043), (559, 36555), (645, 31681), (1677, 12185), (2437, 8385), (2795, 7311)]