20164890256

素因数分解:

$2^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{769}}^1\times {\mathrm{911}}^1$

素因数の和:1952

約数の個数: 80

約数和(自身を含む): 44932124160

約数和(自身を除く): 24767233904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257, 514, 769, 911, 1028, 1538, 1799, 1822, 2056, 3076, 3598, 3644, 4112, 5383, 6152, 6377, 7196, 7288, 10766, 12304, 12754, 14392, 14576, 21532, 25508, 28784, 43064, 51016, 86128, 102032, 197633, 234127, 395266, 468254, 700559, 790532, 936508, 1383431, 1401118, 1581064, 1638889, 1873016, 2766862, 2802236, 3162128, 3277778, 3746032, 4903913, 5533724, 5604472, 6555556, 9807826, 11067448, 11208944, 13111112, 19615652, 22134896, 26222224, 39231304, 78462608, 180043663, 360087326, 720174652, 1260305641, 1440349304, 2520611282, 2880698608, 5041222564, 10082445128, 20164890256]

約数ペア:

[(1, 20164890256), (2, 10082445128), (4, 5041222564), (7, 2880698608), (8, 2520611282), (14, 1440349304), (16, 1260305641), (28, 720174652), (56, 360087326), (112, 180043663), (257, 78462608), (514, 39231304), (769, 26222224), (911, 22134896), (1028, 19615652), (1538, 13111112), (1799, 11208944), (1822, 11067448), (2056, 9807826), (3076, 6555556), (3598, 5604472), (3644, 5533724), (4112, 4903913), (5383, 3746032), (6152, 3277778), (6377, 3162128), (7196, 2802236), (7288, 2766862), (10766, 1873016), (12304, 1638889), (12754, 1581064), (14392, 1401118), (14576, 1383431), (21532, 936508), (25508, 790532), (28784, 700559), (43064, 468254), (51016, 395266), (86128, 234127), (102032, 197633)]