20178943390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4273}}^1\times {\mathrm{27779}}^1$

素因数の和:32076

約数の個数: 32

約数和(自身を含む): 38469077280

約数和(自身を除く): 18290133890

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 4273, 8546, 21365, 27779, 42730, 55558, 72641, 138895, 145282, 277790, 363205, 472243, 726410, 944486, 2361215, 4722430, 118699667, 237399334, 593498335, 1186996670, 2017894339, 4035788678, 10089471695, 20178943390]

約数ペア:

[(1, 20178943390), (2, 10089471695), (5, 4035788678), (10, 2017894339), (17, 1186996670), (34, 593498335), (85, 237399334), (170, 118699667), (4273, 4722430), (8546, 2361215), (21365, 944486), (27779, 726410), (42730, 472243), (55558, 363205), (72641, 277790), (138895, 145282)]