20897964

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{34147}}^1$

素因数の和:34174

約数の個数: 36

約数和(自身を含む): 55934424

約数和(自身を除く): 35036460

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 34147, 68294, 102441, 136588, 204882, 307323, 409764, 580499, 614646, 1160998, 1229292, 1741497, 2321996, 3482994, 5224491, 6965988, 10448982, 20897964]

約数ペア:

[(1, 20897964), (2, 10448982), (3, 6965988), (4, 5224491), (6, 3482994), (9, 2321996), (12, 1741497), (17, 1229292), (18, 1160998), (34, 614646), (36, 580499), (51, 409764), (68, 307323), (102, 204882), (153, 136588), (204, 102441), (306, 68294), (612, 34147)]