20017503825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{13339}}^1$

素因数の和:13487

約数の個数: 96

約数和(自身を含む): 38588244480

約数和(自身を除く): 18570740655

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 107, 165, 187, 255, 275, 321, 425, 535, 561, 825, 935, 1177, 1275, 1605, 1819, 2675, 2805, 3531, 4675, 5457, 5885, 8025, 9095, 13339, 14025, 17655, 20009, 27285, 29425, 40017, 45475, 60027, 66695, 88275, 100045, 136425, 146729, 200085, 226763, 300135, 333475, 440187, 500225, 680289, 733645, 1000425, 1133815, 1427273, 1500675, 2200935, 2494393, 3401445, 3668225, 4281819, 5669075, 7136365, 7483179, 11004675, 12471965, 15700003, 17007225, 21409095, 24263641, 35681825, 37415895, 47100009, 62359825, 72790923, 78500015, 107045475, 121318205, 187079475, 235500045, 266900051, 363954615, 392500075, 606591025, 800700153, 1177500225, 1334500255, 1819773075, 4003500765, 6672501275, 20017503825]

約数ペア:

[(1, 20017503825), (3, 6672501275), (5, 4003500765), (11, 1819773075), (15, 1334500255), (17, 1177500225), (25, 800700153), (33, 606591025), (51, 392500075), (55, 363954615), (75, 266900051), (85, 235500045), (107, 187079475), (165, 121318205), (187, 107045475), (255, 78500015), (275, 72790923), (321, 62359825), (425, 47100009), (535, 37415895), (561, 35681825), (825, 24263641), (935, 21409095), (1177, 17007225), (1275, 15700003), (1605, 12471965), (1819, 11004675), (2675, 7483179), (2805, 7136365), (3531, 5669075), (4675, 4281819), (5457, 3668225), (5885, 3401445), (8025, 2494393), (9095, 2200935), (13339, 1500675), (14025, 1427273), (17655, 1133815), (20009, 1000425), (27285, 733645), (29425, 680289), (40017, 500225), (45475, 440187), (60027, 333475), (66695, 300135), (88275, 226763), (100045, 200085), (136425, 146729)]