20137244

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 37538424

約数和(自身を除く): 17401180

約数列:

[1, 2, 4, 43, 47, 53, 86, 94, 106, 172, 188, 212, 2021, 2209, 2279, 2491, 4042, 4418, 4558, 4982, 8084, 8836, 9116, 9964, 94987, 107113, 117077, 189974, 214226, 234154, 379948, 428452, 468308, 5034311, 10068622, 20137244]

約数ペア:

[(1, 20137244), (2, 10068622), (4, 5034311), (43, 468308), (47, 428452), (53, 379948), (86, 234154), (94, 214226), (106, 189974), (172, 117077), (188, 107113), (212, 94987), (2021, 9964), (2209, 9116), (2279, 8836), (2491, 8084), (4042, 4982), (4418, 4558)]