20235794691

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{249059}}^1$

素因数の和:249195

約数の個数: 32

約数和(自身を含む): 31847800320

約数和(自身を除く): 11612005629

約数列:

[1, 3, 7, 21, 53, 73, 159, 219, 371, 511, 1113, 1533, 3869, 11607, 27083, 81249, 249059, 747177, 1743413, 5230239, 13200127, 18181307, 39600381, 54543921, 92400889, 127269149, 277202667, 381807447, 963609271, 2890827813, 6745264897, 20235794691]

約数ペア:

[(1, 20235794691), (3, 6745264897), (7, 2890827813), (21, 963609271), (53, 381807447), (73, 277202667), (159, 127269149), (219, 92400889), (371, 54543921), (511, 39600381), (1113, 18181307), (1533, 13200127), (3869, 5230239), (11607, 1743413), (27083, 747177), (81249, 249059)]