20465648

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6301}}^1$

素因数の和:6345

約数の個数: 40

約数和(自身を含む): 46886880

約数和(自身を除く): 26421232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6301, 12602, 25204, 44107, 50408, 88214, 100816, 176428, 182729, 352856, 365458, 705712, 730916, 1279103, 1461832, 2558206, 2923664, 5116412, 10232824, 20465648]

約数ペア:

[(1, 20465648), (2, 10232824), (4, 5116412), (7, 2923664), (8, 2558206), (14, 1461832), (16, 1279103), (28, 730916), (29, 705712), (56, 365458), (58, 352856), (112, 182729), (116, 176428), (203, 100816), (232, 88214), (406, 50408), (464, 44107), (812, 25204), (1624, 12602), (3248, 6301)]