16684990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2003}}^1$

素因数の和:2041

約数の個数: 48

約数和(自身を含む): 37009872

約数和(自身を除く): 20324882

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 2003, 4006, 4165, 8330, 10015, 14021, 20030, 28042, 34051, 68102, 70105, 98147, 140210, 170255, 196294, 238357, 340510, 476714, 490735, 981470, 1191785, 1668499, 2383570, 3336998, 8342495, 16684990]

約数ペア:

[(1, 16684990), (2, 8342495), (5, 3336998), (7, 2383570), (10, 1668499), (14, 1191785), (17, 981470), (34, 490735), (35, 476714), (49, 340510), (70, 238357), (85, 196294), (98, 170255), (119, 140210), (170, 98147), (238, 70105), (245, 68102), (490, 34051), (595, 28042), (833, 20030), (1190, 14021), (1666, 10015), (2003, 8330), (4006, 4165)]