20516854175

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{241}}^1\times {\mathrm{11783}}^1$

素因数の和:12068

約数の個数: 36

約数和(自身を含む): 27139895376

約数和(自身を除く): 6623041201

約数列:

[1, 5, 17, 25, 85, 241, 289, 425, 1205, 1445, 4097, 6025, 7225, 11783, 20485, 58915, 69649, 102425, 200311, 294575, 348245, 1001555, 1741225, 2839703, 3405287, 5007775, 14198515, 17026435, 48274951, 70992575, 85132175, 241374755, 820674167, 1206873775, 4103370835, 20516854175]

約数ペア:

[(1, 20516854175), (5, 4103370835), (17, 1206873775), (25, 820674167), (85, 241374755), (241, 85132175), (289, 70992575), (425, 48274951), (1205, 17026435), (1445, 14198515), (4097, 5007775), (6025, 3405287), (7225, 2839703), (11783, 1741225), (20485, 1001555), (58915, 348245), (69649, 294575), (102425, 200311)]