17729980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52147}}^1$

素因数の和:52173

約数の個数: 24

約数和(自身を含む): 39423888

約数和(自身を除く): 21693908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 52147, 104294, 208588, 260735, 521470, 886499, 1042940, 1772998, 3545996, 4432495, 8864990, 17729980]

約数ペア:

[(1, 17729980), (2, 8864990), (4, 4432495), (5, 3545996), (10, 1772998), (17, 1042940), (20, 886499), (34, 521470), (68, 260735), (85, 208588), (170, 104294), (340, 52147)]