20989657560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1499}}^1\times {\mathrm{116687}}^1$

素因数の和:118200

約数の個数: 64

約数和(自身を含む): 63011520000

約数和(自身を除く): 42021862440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1499, 2998, 4497, 5996, 7495, 8994, 11992, 14990, 17988, 22485, 29980, 35976, 44970, 59960, 89940, 116687, 179880, 233374, 350061, 466748, 583435, 700122, 933496, 1166870, 1400244, 1750305, 2333740, 2800488, 3500610, 4667480, 7001220, 14002440, 174913813, 349827626, 524741439, 699655252, 874569065, 1049482878, 1399310504, 1749138130, 2098965756, 2623707195, 3498276260, 4197931512, 5247414390, 6996552520, 10494828780, 20989657560]

約数ペア:

[(1, 20989657560), (2, 10494828780), (3, 6996552520), (4, 5247414390), (5, 4197931512), (6, 3498276260), (8, 2623707195), (10, 2098965756), (12, 1749138130), (15, 1399310504), (20, 1049482878), (24, 874569065), (30, 699655252), (40, 524741439), (60, 349827626), (120, 174913813), (1499, 14002440), (2998, 7001220), (4497, 4667480), (5996, 3500610), (7495, 2800488), (8994, 2333740), (11992, 1750305), (14990, 1400244), (17988, 1166870), (22485, 933496), (29980, 700122), (35976, 583435), (44970, 466748), (59960, 350061), (89940, 233374), (116687, 179880)]