20804922325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{5521}}^1$

素因数の和:5806

約数の個数: 48

約数和(自身を含む): 28692842112

約数和(自身を除く): 7887919787

約数列:

[1, 5, 11, 25, 55, 71, 193, 275, 355, 781, 965, 1775, 2123, 3905, 4825, 5521, 10615, 13703, 19525, 27605, 53075, 60731, 68515, 138025, 150733, 303655, 342575, 391991, 753665, 1065553, 1518275, 1959955, 3768325, 4311901, 5327765, 9799775, 11721083, 21559505, 26638825, 58605415, 75654263, 107797525, 293027075, 378271315, 832196893, 1891356575, 4160984465, 20804922325]

約数ペア:

[(1, 20804922325), (5, 4160984465), (11, 1891356575), (25, 832196893), (55, 378271315), (71, 293027075), (193, 107797525), (275, 75654263), (355, 58605415), (781, 26638825), (965, 21559505), (1775, 11721083), (2123, 9799775), (3905, 5327765), (4825, 4311901), (5521, 3768325), (10615, 1959955), (13703, 1518275), (19525, 1065553), (27605, 753665), (53075, 391991), (60731, 342575), (68515, 303655), (138025, 150733)]