20290468209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1\times {\mathrm{6829}}^1$

素因数の和:7525

約数の個数: 32

約数和(自身を含む): 29741644800

約数和(自身を除く): 9451176591

約数列:

[1, 3, 11, 33, 179, 503, 537, 1509, 1969, 5533, 5907, 6829, 16599, 20487, 75119, 90037, 225357, 270111, 990407, 1222391, 2971221, 3434987, 3667173, 10304961, 13446301, 37784857, 40338903, 113354571, 614862673, 1844588019, 6763489403, 20290468209]

約数ペア:

[(1, 20290468209), (3, 6763489403), (11, 1844588019), (33, 614862673), (179, 113354571), (503, 40338903), (537, 37784857), (1509, 13446301), (1969, 10304961), (5533, 3667173), (5907, 3434987), (6829, 2971221), (16599, 1222391), (20487, 990407), (75119, 270111), (90037, 225357)]