20300149888

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{176021}}^1$

素因数の和:176105

約数の個数: 64

約数和(自身を含む): 43628812920

約数和(自身を除く): 23328663032

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 64, 68, 106, 128, 136, 212, 272, 424, 544, 848, 901, 1088, 1696, 1802, 2176, 3392, 3604, 6784, 7208, 14416, 28832, 57664, 115328, 176021, 352042, 704084, 1408168, 2816336, 2992357, 5632672, 5984714, 9329113, 11265344, 11969428, 18658226, 22530688, 23938856, 37316452, 47877712, 74632904, 95755424, 149265808, 158594921, 191510848, 298531616, 317189842, 383021696, 597063232, 634379684, 1194126464, 1268759368, 2537518736, 5075037472, 10150074944, 20300149888]

約数ペア:

[(1, 20300149888), (2, 10150074944), (4, 5075037472), (8, 2537518736), (16, 1268759368), (17, 1194126464), (32, 634379684), (34, 597063232), (53, 383021696), (64, 317189842), (68, 298531616), (106, 191510848), (128, 158594921), (136, 149265808), (212, 95755424), (272, 74632904), (424, 47877712), (544, 37316452), (848, 23938856), (901, 22530688), (1088, 18658226), (1696, 11969428), (1802, 11265344), (2176, 9329113), (3392, 5984714), (3604, 5632672), (6784, 2992357), (7208, 2816336), (14416, 1408168), (28832, 704084), (57664, 352042), (115328, 176021)]