20119245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 34328448

約数和(自身を除く): 14209203

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 307, 771, 921, 1285, 1535, 3855, 4369, 4605, 5219, 13107, 15657, 21845, 26095, 65535, 78285, 78899, 236697, 394495, 1183485, 1341283, 4023849, 6706415, 20119245]

約数ペア:

[(1, 20119245), (3, 6706415), (5, 4023849), (15, 1341283), (17, 1183485), (51, 394495), (85, 236697), (255, 78899), (257, 78285), (307, 65535), (771, 26095), (921, 21845), (1285, 15657), (1535, 13107), (3855, 5219), (4369, 4605)]