16720248

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 28069512

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 107, 136, 204, 214, 321, 383, 408, 428, 642, 766, 856, 1149, 1284, 1532, 1819, 2298, 2568, 3064, 3638, 4596, 5457, 6511, 7276, 9192, 10914, 13022, 14552, 19533, 21828, 26044, 39066, 40981, 43656, 52088, 78132, 81962, 122943, 156264, 163924, 245886, 327848, 491772, 696677, 983544, 1393354, 2090031, 2786708, 4180062, 5573416, 8360124, 16720248]

約数ペア:

[(1, 16720248), (2, 8360124), (3, 5573416), (4, 4180062), (6, 2786708), (8, 2090031), (12, 1393354), (17, 983544), (24, 696677), (34, 491772), (51, 327848), (68, 245886), (102, 163924), (107, 156264), (136, 122943), (204, 81962), (214, 78132), (321, 52088), (383, 43656), (408, 40981), (428, 39066), (642, 26044), (766, 21828), (856, 19533), (1149, 14552), (1284, 13022), (1532, 10914), (1819, 9192), (2298, 7276), (2568, 6511), (3064, 5457), (3638, 4596)]