20381742

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 47876400

約数和(自身を除く): 27494658

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1462, 1549, 2193, 3098, 4386, 4647, 6579, 9294, 13158, 13941, 26333, 27882, 52666, 66607, 78999, 133214, 157998, 199821, 236997, 399642, 473994, 599463, 1132319, 1198926, 2264638, 3396957, 6793914, 10190871, 20381742]

約数ペア:

[(1, 20381742), (2, 10190871), (3, 6793914), (6, 3396957), (9, 2264638), (17, 1198926), (18, 1132319), (34, 599463), (43, 473994), (51, 399642), (86, 236997), (102, 199821), (129, 157998), (153, 133214), (258, 78999), (306, 66607), (387, 52666), (731, 27882), (774, 26333), (1462, 13941), (1549, 13158), (2193, 9294), (3098, 6579), (4386, 4647)]