20521566310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9456943}}^1$

素因数の和:9456988

約数の個数: 32

約数和(自身を含む): 43577597952

約数和(自身を除く): 23056031642

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9456943, 18913886, 47284715, 66198601, 94569430, 132397202, 293165233, 330993005, 586330466, 661986010, 1465826165, 2052156631, 2931652330, 4104313262, 10260783155, 20521566310]

約数ペア:

[(1, 20521566310), (2, 10260783155), (5, 4104313262), (7, 2931652330), (10, 2052156631), (14, 1465826165), (31, 661986010), (35, 586330466), (62, 330993005), (70, 293165233), (155, 132397202), (217, 94569430), (310, 66198601), (434, 47284715), (1085, 18913886), (2170, 9456943)]