20934452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 47548032

約数和(自身を除く): 26613580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 121, 148, 154, 167, 242, 259, 308, 334, 407, 484, 518, 668, 814, 847, 1036, 1169, 1628, 1694, 1837, 2338, 2849, 3388, 3674, 4477, 4676, 5698, 6179, 7348, 8954, 11396, 12358, 12859, 17908, 20207, 24716, 25718, 31339, 40414, 43253, 51436, 62678, 67969, 80828, 86506, 125356, 135938, 141449, 173012, 271876, 282898, 475783, 565796, 747659, 951566, 1495318, 1903132, 2990636, 5233613, 10467226, 20934452]

約数ペア:

[(1, 20934452), (2, 10467226), (4, 5233613), (7, 2990636), (11, 1903132), (14, 1495318), (22, 951566), (28, 747659), (37, 565796), (44, 475783), (74, 282898), (77, 271876), (121, 173012), (148, 141449), (154, 135938), (167, 125356), (242, 86506), (259, 80828), (308, 67969), (334, 62678), (407, 51436), (484, 43253), (518, 40414), (668, 31339), (814, 25718), (847, 24716), (1036, 20207), (1169, 17908), (1628, 12859), (1694, 12358), (1837, 11396), (2338, 8954), (2849, 7348), (3388, 6179), (3674, 5698), (4477, 4676)]