20512007152

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{828701}}^1$

素因数の和:828746

約数の個数: 80

約数和(自身を含む): 51790560192

約数和(自身を除く): 31278553040

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 884, 952, 1456, 1547, 1768, 1904, 3094, 3536, 6188, 12376, 24752, 828701, 1657402, 3314804, 5800907, 6629608, 10773113, 11601814, 13259216, 14087917, 21546226, 23203628, 28175834, 43092452, 46407256, 56351668, 75411791, 86184904, 92814512, 98615419, 112703336, 150823582, 172369808, 183142921, 197230838, 225406672, 301647164, 366285842, 394461676, 603294328, 732571684, 788923352, 1206588656, 1282000447, 1465143368, 1577846704, 2564000894, 2930286736, 5128001788, 10256003576, 20512007152]

約数ペア:

[(1, 20512007152), (2, 10256003576), (4, 5128001788), (7, 2930286736), (8, 2564000894), (13, 1577846704), (14, 1465143368), (16, 1282000447), (17, 1206588656), (26, 788923352), (28, 732571684), (34, 603294328), (52, 394461676), (56, 366285842), (68, 301647164), (91, 225406672), (104, 197230838), (112, 183142921), (119, 172369808), (136, 150823582), (182, 112703336), (208, 98615419), (221, 92814512), (238, 86184904), (272, 75411791), (364, 56351668), (442, 46407256), (476, 43092452), (728, 28175834), (884, 23203628), (952, 21546226), (1456, 14087917), (1547, 13259216), (1768, 11601814), (1904, 10773113), (3094, 6629608), (3536, 5800907), (6188, 3314804), (12376, 1657402), (24752, 828701)]