20163553221

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1018207}}^1$

素因数の和:1018281

約数の個数: 32

約数和(自身を含む): 32843317248

約数和(自身を除く): 12679764027

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 2829, 6601, 19803, 1018207, 3054621, 7127449, 21382347, 23418761, 41746487, 70256283, 125239461, 163931327, 292225409, 491793981, 876676227, 960169201, 2880507603, 6721184407, 20163553221]

約数ペア:

[(1, 20163553221), (3, 6721184407), (7, 2880507603), (21, 960169201), (23, 876676227), (41, 491793981), (69, 292225409), (123, 163931327), (161, 125239461), (287, 70256283), (483, 41746487), (861, 23418761), (943, 21382347), (2829, 7127449), (6601, 3054621), (19803, 1018207)]