20155173020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{51949}}^1$

素因数の和:52998

約数の個数: 48

約数和(自身を含む): 44598036000

約数和(自身を除く): 24442862980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1021, 2042, 4084, 5105, 10210, 19399, 20420, 38798, 51949, 77596, 96995, 103898, 193990, 207796, 259745, 387980, 519490, 987031, 1038980, 1974062, 3948124, 4935155, 9870310, 19740620, 53039929, 106079858, 212159716, 265199645, 530399290, 1007758651, 1060798580, 2015517302, 4031034604, 5038793255, 10077586510, 20155173020]

約数ペア:

[(1, 20155173020), (2, 10077586510), (4, 5038793255), (5, 4031034604), (10, 2015517302), (19, 1060798580), (20, 1007758651), (38, 530399290), (76, 265199645), (95, 212159716), (190, 106079858), (380, 53039929), (1021, 19740620), (2042, 9870310), (4084, 4935155), (5105, 3948124), (10210, 1974062), (19399, 1038980), (20420, 987031), (38798, 519490), (51949, 387980), (77596, 259745), (96995, 207796), (103898, 193990)]