20856827110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{1009}}^1$

素因数の和:1430

約数の個数: 128

約数和(自身を含む): 46159165440

約数和(自身を除く): 25302338330

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 37, 46, 70, 74, 115, 161, 185, 230, 259, 322, 347, 370, 518, 694, 805, 851, 1009, 1295, 1610, 1702, 1735, 2018, 2429, 2590, 3470, 4255, 4858, 5045, 5957, 7063, 7981, 8510, 10090, 11914, 12145, 12839, 14126, 15962, 23207, 24290, 25678, 29785, 35315, 37333, 39905, 46414, 55867, 59570, 64195, 70630, 74666, 79810, 89873, 111734, 116035, 128390, 162449, 179746, 186665, 232070, 261331, 279335, 295297, 324898, 350123, 373330, 449365, 522662, 558670, 590594, 700246, 812245, 858659, 898730, 1306655, 1476485, 1624490, 1717318, 1750615, 2067079, 2450861, 2613310, 2952970, 3501230, 4134158, 4293295, 4901722, 6010613, 8052829, 8586590, 10335395, 12021226, 12254305, 12954551, 16105658, 20670790, 24508610, 25909102, 30053065, 40264145, 56369803, 60106130, 64772755, 80528290, 90681857, 112739606, 129545510, 181363714, 281849015, 297954673, 453409285, 563698030, 595909346, 906818570, 1489773365, 2085682711, 2979546730, 4171365422, 10428413555, 20856827110]

約数ペア:

[(1, 20856827110), (2, 10428413555), (5, 4171365422), (7, 2979546730), (10, 2085682711), (14, 1489773365), (23, 906818570), (35, 595909346), (37, 563698030), (46, 453409285), (70, 297954673), (74, 281849015), (115, 181363714), (161, 129545510), (185, 112739606), (230, 90681857), (259, 80528290), (322, 64772755), (347, 60106130), (370, 56369803), (518, 40264145), (694, 30053065), (805, 25909102), (851, 24508610), (1009, 20670790), (1295, 16105658), (1610, 12954551), (1702, 12254305), (1735, 12021226), (2018, 10335395), (2429, 8586590), (2590, 8052829), (3470, 6010613), (4255, 4901722), (4858, 4293295), (5045, 4134158), (5957, 3501230), (7063, 2952970), (7981, 2613310), (8510, 2450861), (10090, 2067079), (11914, 1750615), (12145, 1717318), (12839, 1624490), (14126, 1476485), (15962, 1306655), (23207, 898730), (24290, 858659), (25678, 812245), (29785, 700246), (35315, 590594), (37333, 558670), (39905, 522662), (46414, 449365), (55867, 373330), (59570, 350123), (64195, 324898), (70630, 295297), (74666, 279335), (79810, 261331), (89873, 232070), (111734, 186665), (116035, 179746), (128390, 162449)]