17924720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20369}}^1$

素因数の和:20393

約数の個数: 40

約数和(自身を含む): 45465840

約数和(自身を除く): 27541120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20369, 40738, 81476, 101845, 162952, 203690, 224059, 325904, 407380, 448118, 814760, 896236, 1120295, 1629520, 1792472, 2240590, 3584944, 4481180, 8962360, 17924720]

約数ペア:

[(1, 17924720), (2, 8962360), (4, 4481180), (5, 3584944), (8, 2240590), (10, 1792472), (11, 1629520), (16, 1120295), (20, 896236), (22, 814760), (40, 448118), (44, 407380), (55, 325904), (80, 224059), (88, 203690), (110, 162952), (176, 101845), (220, 81476), (440, 40738), (880, 20369)]