20347788770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1\times {\mathrm{56401}}^1$

素因数の和:57290

約数の個数: 32

約数和(自身を含む): 37523122560

約数和(自身を除く): 17175333790

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 839, 1678, 4195, 8390, 36077, 56401, 72154, 112802, 180385, 282005, 360770, 564010, 2425243, 4850486, 12126215, 24252430, 47320439, 94640878, 236602195, 473204390, 2034778877, 4069557754, 10173894385, 20347788770]

約数ペア:

[(1, 20347788770), (2, 10173894385), (5, 4069557754), (10, 2034778877), (43, 473204390), (86, 236602195), (215, 94640878), (430, 47320439), (839, 24252430), (1678, 12126215), (4195, 4850486), (8390, 2425243), (36077, 564010), (56401, 360770), (72154, 282005), (112802, 180385)]