20632955

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 31601664

約数和(自身を除く): 10968709

約数列:

[1, 5, 7, 19, 23, 35, 71, 95, 115, 133, 161, 355, 361, 437, 497, 665, 805, 1349, 1633, 1805, 2185, 2485, 2527, 3059, 6745, 8165, 8303, 9443, 11431, 12635, 15295, 25631, 31027, 41515, 47215, 57155, 58121, 128155, 155135, 179417, 217189, 290605, 589513, 897085, 1085945, 2947565, 4126591, 20632955]

約数ペア:

[(1, 20632955), (5, 4126591), (7, 2947565), (19, 1085945), (23, 897085), (35, 589513), (71, 290605), (95, 217189), (115, 179417), (133, 155135), (161, 128155), (355, 58121), (361, 57155), (437, 47215), (497, 41515), (665, 31027), (805, 25631), (1349, 15295), (1633, 12635), (1805, 11431), (2185, 9443), (2485, 8303), (2527, 8165), (3059, 6745)]