20111822920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71827939}}^1$

素因数の和:71827957

約数の個数: 32

約数和(自身を含む): 51716116800

約数和(自身を除く): 31604293880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71827939, 143655878, 287311756, 359139695, 502795573, 574623512, 718279390, 1005591146, 1436558780, 2011182292, 2513977865, 2873117560, 4022364584, 5027955730, 10055911460, 20111822920]

約数ペア:

[(1, 20111822920), (2, 10055911460), (4, 5027955730), (5, 4022364584), (7, 2873117560), (8, 2513977865), (10, 2011182292), (14, 1436558780), (20, 1005591146), (28, 718279390), (35, 574623512), (40, 502795573), (56, 359139695), (70, 287311756), (140, 143655878), (280, 71827939)]