20171190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51721}}^1$

素因数の和:51744

約数の個数: 32

約数和(自身を含む): 52135776

約数和(自身を除く): 31964586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51721, 103442, 155163, 258605, 310326, 517210, 672373, 775815, 1344746, 1551630, 2017119, 3361865, 4034238, 6723730, 10085595, 20171190]

約数ペア:

[(1, 20171190), (2, 10085595), (3, 6723730), (5, 4034238), (6, 3361865), (10, 2017119), (13, 1551630), (15, 1344746), (26, 775815), (30, 672373), (39, 517210), (65, 310326), (78, 258605), (130, 155163), (195, 103442), (390, 51721)]