20289612581

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1\times {\mathrm{53719}}^1$

素因数の和:54488

約数の個数: 16

約数和(自身を含む): 23516467200

約数和(自身を除く): 3226854619

約数列:

[1, 7, 79, 553, 683, 4781, 53719, 53957, 376033, 377699, 4243801, 29706607, 36690077, 256830539, 2898516083, 20289612581]

約数ペア:

[(1, 20289612581), (7, 2898516083), (79, 256830539), (553, 36690077), (683, 29706607), (4781, 4243801), (53719, 377699), (53957, 376033)]