20047420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58963}}^1$

素因数の和:58989

約数の個数: 24

約数和(自身を含む): 44576784

約数和(自身を除く): 24529364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58963, 117926, 235852, 294815, 589630, 1002371, 1179260, 2004742, 4009484, 5011855, 10023710, 20047420]

約数ペア:

[(1, 20047420), (2, 10023710), (4, 5011855), (5, 4009484), (10, 2004742), (17, 1179260), (20, 1002371), (34, 589630), (68, 294815), (85, 235852), (170, 117926), (340, 58963)]