20121725060

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1\times {\mathrm{7759}}^1$

素因数の和:8916

約数の個数: 48

約数和(自身を含む): 42635550720

約数和(自身を除く): 22513825660

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1021, 1270, 2042, 2540, 4084, 5105, 7759, 10210, 15518, 20420, 31036, 38795, 77590, 129667, 155180, 259334, 518668, 648335, 985393, 1296670, 1970786, 2593340, 3941572, 4926965, 7921939, 9853930, 15843878, 19707860, 31687756, 39609695, 79219390, 158438780, 1006086253, 2012172506, 4024345012, 5030431265, 10060862530, 20121725060]

約数ペア:

[(1, 20121725060), (2, 10060862530), (4, 5030431265), (5, 4024345012), (10, 2012172506), (20, 1006086253), (127, 158438780), (254, 79219390), (508, 39609695), (635, 31687756), (1021, 19707860), (1270, 15843878), (2042, 9853930), (2540, 7921939), (4084, 4926965), (5105, 3941572), (7759, 2593340), (10210, 1970786), (15518, 1296670), (20420, 985393), (31036, 648335), (38795, 518668), (77590, 259334), (129667, 155180)]