20955628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9941}}^1$

素因数の和:9993

約数の個数: 24

約数和(自身を含む): 40086144

約数和(自身を除く): 19130516

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 9941, 19882, 39764, 168997, 308171, 337994, 616342, 675988, 1232684, 5238907, 10477814, 20955628]

約数ペア:

[(1, 20955628), (2, 10477814), (4, 5238907), (17, 1232684), (31, 675988), (34, 616342), (62, 337994), (68, 308171), (124, 168997), (527, 39764), (1054, 19882), (2108, 9941)]