20921214968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1411307}}^1$

素因数の和:1411439

約数の個数: 32

約数和(自身を含む): 41915847600

約数和(自身を除く): 20994632632

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1853, 3706, 7412, 14824, 1411307, 2822614, 5645228, 11290456, 23992219, 47984438, 95968876, 153832463, 191937752, 307664926, 615329852, 1230659704, 2615151871, 5230303742, 10460607484, 20921214968]

約数ペア:

[(1, 20921214968), (2, 10460607484), (4, 5230303742), (8, 2615151871), (17, 1230659704), (34, 615329852), (68, 307664926), (109, 191937752), (136, 153832463), (218, 95968876), (436, 47984438), (872, 23992219), (1853, 11290456), (3706, 5645228), (7412, 2822614), (14824, 1411307)]