20108691470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4457}}^1\times {\mathrm{64453}}^1$

素因数の和:68924

約数の個数: 32

約数和(自身を含む): 41376374208

約数和(自身を除く): 21267682738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4457, 8914, 22285, 31199, 44570, 62398, 64453, 128906, 155995, 311990, 322265, 451171, 644530, 902342, 2255855, 4511710, 287267021, 574534042, 1436335105, 2010869147, 2872670210, 4021738294, 10054345735, 20108691470]

約数ペア:

[(1, 20108691470), (2, 10054345735), (5, 4021738294), (7, 2872670210), (10, 2010869147), (14, 1436335105), (35, 574534042), (70, 287267021), (4457, 4511710), (8914, 2255855), (22285, 902342), (31199, 644530), (44570, 451171), (62398, 322265), (64453, 311990), (128906, 155995)]