20010214

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 15697178

約数列:

[1, 2, 7, 14, 41, 71, 82, 142, 287, 491, 497, 574, 982, 994, 2911, 3437, 5822, 6874, 20131, 20377, 34861, 40262, 40754, 69722, 140917, 244027, 281834, 488054, 1429301, 2858602, 10005107, 20010214]

約数ペア:

[(1, 20010214), (2, 10005107), (7, 2858602), (14, 1429301), (41, 488054), (71, 281834), (82, 244027), (142, 140917), (287, 69722), (491, 40754), (497, 40262), (574, 34861), (982, 20377), (994, 20131), (2911, 6874), (3437, 5822)]