20005949730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1\times {\mathrm{1013}}^1$

素因数の和:1756

約数の個数: 128

約数和(自身を含む): 52495672320

約数和(自身を除く): 32489722590

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 641, 790, 1013, 1027, 1185, 1282, 1923, 2026, 2054, 2370, 3039, 3081, 3205, 3846, 5065, 5135, 6078, 6162, 6410, 8333, 9615, 10130, 10270, 13169, 15195, 15405, 16666, 19230, 24999, 26338, 30390, 30810, 39507, 41665, 49998, 50639, 65845, 79014, 80027, 83330, 101278, 124995, 131690, 151917, 160054, 197535, 240081, 249990, 253195, 303834, 395070, 400135, 480162, 506390, 649333, 658307, 759585, 800270, 1040351, 1200405, 1298666, 1316614, 1519170, 1947999, 1974921, 2080702, 2400810, 3121053, 3246665, 3291535, 3895998, 3949842, 5201755, 6242106, 6493330, 6583070, 8441329, 9739995, 9874605, 10403510, 15605265, 16882658, 19479990, 19749210, 25323987, 31210530, 42206645, 50647974, 51297307, 84413290, 102594614, 126619935, 153891921, 253239870, 256486535, 307783842, 512973070, 666864991, 769459605, 1333729982, 1538919210, 2000594973, 3334324955, 4001189946, 6668649910, 10002974865, 20005949730]

約数ペア:

[(1, 20005949730), (2, 10002974865), (3, 6668649910), (5, 4001189946), (6, 3334324955), (10, 2000594973), (13, 1538919210), (15, 1333729982), (26, 769459605), (30, 666864991), (39, 512973070), (65, 307783842), (78, 256486535), (79, 253239870), (130, 153891921), (158, 126619935), (195, 102594614), (237, 84413290), (390, 51297307), (395, 50647974), (474, 42206645), (641, 31210530), (790, 25323987), (1013, 19749210), (1027, 19479990), (1185, 16882658), (1282, 15605265), (1923, 10403510), (2026, 9874605), (2054, 9739995), (2370, 8441329), (3039, 6583070), (3081, 6493330), (3205, 6242106), (3846, 5201755), (5065, 3949842), (5135, 3895998), (6078, 3291535), (6162, 3246665), (6410, 3121053), (8333, 2400810), (9615, 2080702), (10130, 1974921), (10270, 1947999), (13169, 1519170), (15195, 1316614), (15405, 1298666), (16666, 1200405), (19230, 1040351), (24999, 800270), (26338, 759585), (30390, 658307), (30810, 649333), (39507, 506390), (41665, 480162), (49998, 400135), (50639, 395070), (65845, 303834), (79014, 253195), (80027, 249990), (83330, 240081), (101278, 197535), (124995, 160054), (131690, 151917)]