20130559425

素因数分解:

$3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{823}}^1$

素因数の和:1149

約数の個数: 120

約数和(自身を含む): 38276764416

約数和(自身を除く): 18146204991

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 225, 235, 257, 405, 423, 675, 705, 771, 823, 1175, 1269, 1285, 2025, 2115, 2313, 2469, 3525, 3807, 3855, 4115, 6345, 6425, 6939, 7407, 10575, 11565, 12079, 12345, 19035, 19275, 20575, 20817, 22221, 31725, 34695, 36237, 37035, 38681, 57825, 60395, 61725, 66663, 95175, 104085, 108711, 111105, 116043, 173475, 181185, 185175, 193405, 211511, 301975, 326133, 333315, 348129, 520425, 543555, 555525, 580215, 634533, 905925, 967025, 978399, 1044387, 1057555, 1630665, 1666575, 1740645, 1903599, 2717775, 2901075, 3133161, 3172665, 4891995, 5221935, 5287775, 5710797, 8153325, 8703225, 9517995, 9941017, 15665805, 15863325, 17132391, 24459975, 26109675, 28553985, 29823051, 47589975, 49705085, 78329025, 85661955, 89469153, 142769925, 149115255, 248525425, 268407459, 428309775, 447345765, 745576275, 805222377, 1342037295, 2236728825, 4026111885, 6710186475, 20130559425]

約数ペア:

[(1, 20130559425), (3, 6710186475), (5, 4026111885), (9, 2236728825), (15, 1342037295), (25, 805222377), (27, 745576275), (45, 447345765), (47, 428309775), (75, 268407459), (81, 248525425), (135, 149115255), (141, 142769925), (225, 89469153), (235, 85661955), (257, 78329025), (405, 49705085), (423, 47589975), (675, 29823051), (705, 28553985), (771, 26109675), (823, 24459975), (1175, 17132391), (1269, 15863325), (1285, 15665805), (2025, 9941017), (2115, 9517995), (2313, 8703225), (2469, 8153325), (3525, 5710797), (3807, 5287775), (3855, 5221935), (4115, 4891995), (6345, 3172665), (6425, 3133161), (6939, 2901075), (7407, 2717775), (10575, 1903599), (11565, 1740645), (12079, 1666575), (12345, 1630665), (19035, 1057555), (19275, 1044387), (20575, 978399), (20817, 967025), (22221, 905925), (31725, 634533), (34695, 580215), (36237, 555525), (37035, 543555), (38681, 520425), (57825, 348129), (60395, 333315), (61725, 326133), (66663, 301975), (95175, 211511), (104085, 193405), (108711, 185175), (111105, 181185), (116043, 173475)]