20423732

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 43763328

約数和(自身を除く): 23339596

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 107, 119, 214, 238, 401, 428, 476, 749, 802, 1498, 1604, 1819, 2807, 2996, 3638, 5614, 6817, 7276, 11228, 12733, 13634, 25466, 27268, 42907, 47719, 50932, 85814, 95438, 171628, 190876, 300349, 600698, 729419, 1201396, 1458838, 2917676, 5105933, 10211866, 20423732]

約数ペア:

[(1, 20423732), (2, 10211866), (4, 5105933), (7, 2917676), (14, 1458838), (17, 1201396), (28, 729419), (34, 600698), (68, 300349), (107, 190876), (119, 171628), (214, 95438), (238, 85814), (401, 50932), (428, 47719), (476, 42907), (749, 27268), (802, 25466), (1498, 13634), (1604, 12733), (1819, 11228), (2807, 7276), (2996, 6817), (3638, 5614)]