20165607903

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{405347}}^1$

素因数の和:405483

約数の個数: 32

約数和(自身を含む): 32375955456

約数和(自身を除く): 12210347553

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 483, 721, 2163, 2369, 7107, 16583, 49749, 405347, 1216041, 2837429, 8512287, 9322981, 27968943, 41750741, 65260867, 125252223, 195782601, 292255187, 876765561, 960267043, 2880801129, 6721869301, 20165607903]

約数ペア:

[(1, 20165607903), (3, 6721869301), (7, 2880801129), (21, 960267043), (23, 876765561), (69, 292255187), (103, 195782601), (161, 125252223), (309, 65260867), (483, 41750741), (721, 27968943), (2163, 9322981), (2369, 8512287), (7107, 2837429), (16583, 1216041), (49749, 405347)]