20477792

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37643}}^1$

素因数の和:37670

約数の個数: 24

約数和(自身を含む): 42688296

約数和(自身を除く): 22210504

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37643, 75286, 150572, 301144, 602288, 639931, 1204576, 1279862, 2559724, 5119448, 10238896, 20477792]

約数ペア:

[(1, 20477792), (2, 10238896), (4, 5119448), (8, 2559724), (16, 1279862), (17, 1204576), (32, 639931), (34, 602288), (68, 301144), (136, 150572), (272, 75286), (544, 37643)]