20189493075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{21589}}^1$

素因数の和:21976

約数の個数: 48

約数和(自身を含む): 34385443040

約数和(自身を除く): 14195949965

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 337, 555, 925, 1011, 1685, 2775, 5055, 8425, 12469, 21589, 25275, 37407, 62345, 64767, 107945, 187035, 311725, 323835, 539725, 798793, 935175, 1619175, 2396379, 3993965, 7275493, 11981895, 19969825, 21826479, 36377465, 59909475, 109132395, 181887325, 269193241, 545661975, 807579723, 1345966205, 4037898615, 6729831025, 20189493075]

約数ペア:

[(1, 20189493075), (3, 6729831025), (5, 4037898615), (15, 1345966205), (25, 807579723), (37, 545661975), (75, 269193241), (111, 181887325), (185, 109132395), (337, 59909475), (555, 36377465), (925, 21826479), (1011, 19969825), (1685, 11981895), (2775, 7275493), (5055, 3993965), (8425, 2396379), (12469, 1619175), (21589, 935175), (25275, 798793), (37407, 539725), (62345, 323835), (64767, 311725), (107945, 187035)]