20818756

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39133}}^1$

素因数の和:39163

約数の個数: 24

約数和(自身を含む): 43830080

約数和(自身を除く): 23011324

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39133, 78266, 156532, 273931, 547862, 743527, 1095724, 1487054, 2974108, 5204689, 10409378, 20818756]

約数ペア:

[(1, 20818756), (2, 10409378), (4, 5204689), (7, 2974108), (14, 1487054), (19, 1095724), (28, 743527), (38, 547862), (76, 273931), (133, 156532), (266, 78266), (532, 39133)]