20804967135

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{176261}}^1$

素因数の和:176376

約数の個数: 48

約数和(自身を含む): 37505733408

約数和(自身を除く): 16700766273

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 645, 915, 1935, 2623, 2745, 7869, 13115, 23607, 39345, 118035, 176261, 528783, 881305, 1586349, 2643915, 7579223, 7931745, 10751921, 22737669, 32255763, 37896115, 53759605, 68213007, 96767289, 113688345, 161278815, 341065035, 462332603, 483836445, 1386997809, 2311663015, 4160993427, 6934989045, 20804967135]

約数ペア:

[(1, 20804967135), (3, 6934989045), (5, 4160993427), (9, 2311663015), (15, 1386997809), (43, 483836445), (45, 462332603), (61, 341065035), (129, 161278815), (183, 113688345), (215, 96767289), (305, 68213007), (387, 53759605), (549, 37896115), (645, 32255763), (915, 22737669), (1935, 10751921), (2623, 7931745), (2745, 7579223), (7869, 2643915), (13115, 1586349), (23607, 881305), (39345, 528783), (118035, 176261)]