20176587160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1154267}}^1$

素因数の和:1154320

約数の個数: 64

約数和(自身を含む): 49864377600

約数和(自身を除く): 29687790440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8740, 17480, 1154267, 2308534, 4617068, 5771335, 9234136, 11542670, 21931073, 23085340, 26548141, 43862146, 46170680, 53096282, 87724292, 106192564, 109655365, 132740705, 175448584, 212385128, 219310730, 265481410, 438621460, 504414679, 530962820, 877242920, 1008829358, 1061925640, 2017658716, 2522073395, 4035317432, 5044146790, 10088293580, 20176587160]

約数ペア:

[(1, 20176587160), (2, 10088293580), (4, 5044146790), (5, 4035317432), (8, 2522073395), (10, 2017658716), (19, 1061925640), (20, 1008829358), (23, 877242920), (38, 530962820), (40, 504414679), (46, 438621460), (76, 265481410), (92, 219310730), (95, 212385128), (115, 175448584), (152, 132740705), (184, 109655365), (190, 106192564), (230, 87724292), (380, 53096282), (437, 46170680), (460, 43862146), (760, 26548141), (874, 23085340), (920, 21931073), (1748, 11542670), (2185, 9234136), (3496, 5771335), (4370, 4617068), (8740, 2308534), (17480, 1154267)]