20305935

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 38385984

約数和(自身を除く): 18080049

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 103, 117, 195, 309, 337, 515, 585, 927, 1011, 1339, 1545, 1685, 3033, 4017, 4381, 4635, 5055, 6695, 12051, 13143, 15165, 20085, 21905, 34711, 39429, 60255, 65715, 104133, 173555, 197145, 312399, 451243, 520665, 1353729, 1561995, 2256215, 4061187, 6768645, 20305935]

約数ペア:

[(1, 20305935), (3, 6768645), (5, 4061187), (9, 2256215), (13, 1561995), (15, 1353729), (39, 520665), (45, 451243), (65, 312399), (103, 197145), (117, 173555), (195, 104133), (309, 65715), (337, 60255), (515, 39429), (585, 34711), (927, 21905), (1011, 20085), (1339, 15165), (1545, 13143), (1685, 12051), (3033, 6695), (4017, 5055), (4381, 4635)]