20768047195

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1\times {\mathrm{6203}}^1$

素因数の和:6580

約数の個数: 48

約数和(自身を含む): 30352151808

約数和(自身を除く): 9584104613

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 331, 595, 1445, 1655, 2023, 2317, 5627, 6203, 10115, 11585, 28135, 31015, 39389, 43421, 95659, 105451, 196945, 217105, 478295, 527255, 669613, 738157, 1792667, 2053193, 3348065, 3690785, 8963335, 10265965, 12548669, 14372351, 34904281, 62743345, 71861755, 174521405, 244329967, 593372777, 1221649835, 2966863885, 4153609439, 20768047195]

約数ペア:

[(1, 20768047195), (5, 4153609439), (7, 2966863885), (17, 1221649835), (35, 593372777), (85, 244329967), (119, 174521405), (289, 71861755), (331, 62743345), (595, 34904281), (1445, 14372351), (1655, 12548669), (2023, 10265965), (2317, 8963335), (5627, 3690785), (6203, 3348065), (10115, 2053193), (11585, 1792667), (28135, 738157), (31015, 669613), (39389, 527255), (43421, 478295), (95659, 217105), (105451, 196945)]