20599495

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 9726905

約数列:

[1, 5, 7, 17, 35, 85, 89, 119, 389, 445, 595, 623, 1513, 1945, 2723, 3115, 6613, 7565, 10591, 13615, 33065, 34621, 46291, 52955, 173105, 231455, 242347, 588557, 1211735, 2942785, 4119899, 20599495]

約数ペア:

[(1, 20599495), (5, 4119899), (7, 2942785), (17, 1211735), (35, 588557), (85, 242347), (89, 231455), (119, 173105), (389, 52955), (445, 46291), (595, 34621), (623, 33065), (1513, 13615), (1945, 10591), (2723, 7565), (3115, 6613)]