20406900080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{5693}}^1$

素因数の和:5923

約数の個数: 160

約数和(自身を含む): 56021307264

約数和(自身を除く): 35614407184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 173, 185, 259, 280, 296, 346, 370, 518, 560, 592, 692, 740, 865, 1036, 1211, 1295, 1384, 1480, 1730, 2072, 2422, 2590, 2768, 2960, 3460, 4144, 4844, 5180, 5693, 6055, 6401, 6920, 9688, 10360, 11386, 12110, 12802, 13840, 19376, 20720, 22772, 24220, 25604, 28465, 32005, 39851, 44807, 45544, 48440, 51208, 56930, 64010, 79702, 89614, 91088, 96880, 102416, 113860, 128020, 159404, 179228, 199255, 210641, 224035, 227720, 256040, 318808, 358456, 398510, 421282, 448070, 455440, 512080, 637616, 716912, 797020, 842564, 896140, 984889, 1053205, 1474487, 1594040, 1685128, 1792280, 1969778, 2106410, 2948974, 3188080, 3370256, 3584560, 3939556, 4212820, 4924445, 5897948, 6894223, 7372435, 7879112, 8425640, 9848890, 11795896, 13788446, 14744870, 15758224, 16851280, 19697780, 23591792, 27576892, 29489740, 34471115, 36440893, 39395560, 55153784, 58979480, 68942230, 72881786, 78791120, 110307568, 117958960, 137884460, 145763572, 182204465, 255086251, 275768920, 291527144, 364408930, 510172502, 551537840, 583054288, 728817860, 1020345004, 1275431255, 1457635720, 2040690008, 2550862510, 2915271440, 4081380016, 5101725020, 10203450040, 20406900080]

約数ペア:

[(1, 20406900080), (2, 10203450040), (4, 5101725020), (5, 4081380016), (7, 2915271440), (8, 2550862510), (10, 2040690008), (14, 1457635720), (16, 1275431255), (20, 1020345004), (28, 728817860), (35, 583054288), (37, 551537840), (40, 510172502), (56, 364408930), (70, 291527144), (74, 275768920), (80, 255086251), (112, 182204465), (140, 145763572), (148, 137884460), (173, 117958960), (185, 110307568), (259, 78791120), (280, 72881786), (296, 68942230), (346, 58979480), (370, 55153784), (518, 39395560), (560, 36440893), (592, 34471115), (692, 29489740), (740, 27576892), (865, 23591792), (1036, 19697780), (1211, 16851280), (1295, 15758224), (1384, 14744870), (1480, 13788446), (1730, 11795896), (2072, 9848890), (2422, 8425640), (2590, 7879112), (2768, 7372435), (2960, 6894223), (3460, 5897948), (4144, 4924445), (4844, 4212820), (5180, 3939556), (5693, 3584560), (6055, 3370256), (6401, 3188080), (6920, 2948974), (9688, 2106410), (10360, 1969778), (11386, 1792280), (12110, 1685128), (12802, 1594040), (13840, 1474487), (19376, 1053205), (20720, 984889), (22772, 896140), (24220, 842564), (25604, 797020), (28465, 716912), (32005, 637616), (39851, 512080), (44807, 455440), (45544, 448070), (48440, 421282), (51208, 398510), (56930, 358456), (64010, 318808), (79702, 256040), (89614, 227720), (91088, 224035), (96880, 210641), (102416, 199255), (113860, 179228), (128020, 159404)]