20668396

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6203}}^1$

素因数の和:6238

約数の個数: 36

約数和(自身を含む): 44557128

約数和(自身を除く): 23888732

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6203, 12406, 24812, 43421, 86842, 105451, 173684, 210902, 303947, 421804, 607894, 738157, 1215788, 1476314, 2952628, 5167099, 10334198, 20668396]

約数ペア:

[(1, 20668396), (2, 10334198), (4, 5167099), (7, 2952628), (14, 1476314), (17, 1215788), (28, 738157), (34, 607894), (49, 421804), (68, 303947), (98, 210902), (119, 173684), (196, 105451), (238, 86842), (476, 43421), (833, 24812), (1666, 12406), (3332, 6203)]