20495774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14340706

約数列:

[1, 2, 13, 26, 31, 59, 62, 118, 403, 431, 767, 806, 862, 1534, 1829, 3658, 5603, 11206, 13361, 23777, 25429, 26722, 47554, 50858, 173693, 330577, 347386, 661154, 788299, 1576598, 10247887, 20495774]

約数ペア:

[(1, 20495774), (2, 10247887), (13, 1576598), (26, 788299), (31, 661154), (59, 347386), (62, 330577), (118, 173693), (403, 50858), (431, 47554), (767, 26722), (806, 25429), (862, 23777), (1534, 13361), (1829, 11206), (3658, 5603)]