20657923778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1085317}}^1$

素因数の和:1085657

約数の個数: 16

約数和(自身を含む): 32090682624

約数和(自身を除く): 11432758846

約数列:

[1, 2, 31, 62, 307, 614, 9517, 19034, 1085317, 2170634, 33644827, 67289654, 333192319, 666384638, 10328961889, 20657923778]

約数ペア:

[(1, 20657923778), (2, 10328961889), (31, 666384638), (62, 333192319), (307, 67289654), (614, 33644827), (9517, 2170634), (19034, 1085317)]