20175977545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1249}}^1\times {\mathrm{7393}}^1$

素因数の和:8689

約数の個数: 32

約数和(自身を含む): 26618400000

約数和(自身を除く): 6442422455

約数列:

[1, 5, 19, 23, 95, 115, 437, 1249, 2185, 6245, 7393, 23731, 28727, 36965, 118655, 140467, 143635, 170039, 545813, 702335, 850195, 2729065, 3230741, 9233857, 16153705, 46169285, 175443283, 212378711, 877216415, 1061893555, 4035195509, 20175977545]

約数ペア:

[(1, 20175977545), (5, 4035195509), (19, 1061893555), (23, 877216415), (95, 212378711), (115, 175443283), (437, 46169285), (1249, 16153705), (2185, 9233857), (6245, 3230741), (7393, 2729065), (23731, 850195), (28727, 702335), (36965, 545813), (118655, 170039), (140467, 143635)]