20525644328

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{20681}}^1$

素因数の和:21210

約数の個数: 64

約数和(自身を含む): 45268761600

約数和(自身を除く): 24743117272

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 479, 518, 958, 1036, 1916, 2072, 3353, 3832, 6706, 13412, 17723, 20681, 26824, 35446, 41362, 70892, 82724, 124061, 141784, 144767, 165448, 248122, 289534, 496244, 579068, 765197, 992488, 1158136, 1530394, 3060788, 5356379, 6121576, 9906199, 10712758, 19812398, 21425516, 39624796, 42851032, 69343393, 79249592, 138686786, 277373572, 366529363, 554747144, 733058726, 1466117452, 2565705541, 2932234904, 5131411082, 10262822164, 20525644328]

約数ペア:

[(1, 20525644328), (2, 10262822164), (4, 5131411082), (7, 2932234904), (8, 2565705541), (14, 1466117452), (28, 733058726), (37, 554747144), (56, 366529363), (74, 277373572), (148, 138686786), (259, 79249592), (296, 69343393), (479, 42851032), (518, 39624796), (958, 21425516), (1036, 19812398), (1916, 10712758), (2072, 9906199), (3353, 6121576), (3832, 5356379), (6706, 3060788), (13412, 1530394), (17723, 1158136), (20681, 992488), (26824, 765197), (35446, 579068), (41362, 496244), (70892, 289534), (82724, 248122), (124061, 165448), (141784, 144767)]