20176985115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{5647}}^1$

素因数の和:5886

約数の個数: 128

約数和(自身を含む): 43376640000

約数和(自身を除く): 23199654885

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 199, 285, 315, 399, 513, 597, 665, 855, 945, 995, 1197, 1393, 1791, 1995, 2565, 2985, 3591, 3781, 4179, 5373, 5647, 5985, 6965, 8955, 11343, 12537, 16941, 17955, 18905, 20895, 26467, 26865, 28235, 34029, 37611, 39529, 50823, 56715, 62685, 79401, 84705, 102087, 107293, 118587, 132335, 152469, 170145, 188055, 197645, 238203, 254115, 321879, 355761, 397005, 510435, 536465, 592935, 714609, 751051, 762345, 965637, 1067283, 1123753, 1191015, 1609395, 1778805, 2253153, 2896911, 3371259, 3573045, 3755255, 4828185, 5336415, 5618765, 6759459, 7866271, 10113777, 11265765, 14484555, 16856295, 20278377, 21351307, 23598813, 30341331, 33797295, 39331355, 50568885, 64053921, 70796439, 101391885, 106756535, 117994065, 149459149, 151706655, 192161763, 212389317, 320269605, 353982195, 448377447, 576485289, 747295745, 960808815, 1061946585, 1345132341, 2241887235, 2882426445, 4035397023, 6725661705, 20176985115]

約数ペア:

[(1, 20176985115), (3, 6725661705), (5, 4035397023), (7, 2882426445), (9, 2241887235), (15, 1345132341), (19, 1061946585), (21, 960808815), (27, 747295745), (35, 576485289), (45, 448377447), (57, 353982195), (63, 320269605), (95, 212389317), (105, 192161763), (133, 151706655), (135, 149459149), (171, 117994065), (189, 106756535), (199, 101391885), (285, 70796439), (315, 64053921), (399, 50568885), (513, 39331355), (597, 33797295), (665, 30341331), (855, 23598813), (945, 21351307), (995, 20278377), (1197, 16856295), (1393, 14484555), (1791, 11265765), (1995, 10113777), (2565, 7866271), (2985, 6759459), (3591, 5618765), (3781, 5336415), (4179, 4828185), (5373, 3755255), (5647, 3573045), (5985, 3371259), (6965, 2896911), (8955, 2253153), (11343, 1778805), (12537, 1609395), (16941, 1191015), (17955, 1123753), (18905, 1067283), (20895, 965637), (26467, 762345), (26865, 751051), (28235, 714609), (34029, 592935), (37611, 536465), (39529, 510435), (50823, 397005), (56715, 355761), (62685, 321879), (79401, 254115), (84705, 238203), (102087, 197645), (107293, 188055), (118587, 170145), (132335, 152469)]