2020261640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 5093798400

約数和(自身を除く): 3073536760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 271, 323, 340, 380, 542, 577, 646, 680, 760, 1084, 1154, 1292, 1355, 1615, 2168, 2308, 2584, 2710, 2885, 3230, 4607, 4616, 5149, 5420, 5770, 6460, 9214, 9809, 10298, 10840, 10963, 11540, 12920, 18428, 19618, 20596, 21926, 23035, 23080, 25745, 36856, 39236, 41192, 43852, 46070, 49045, 51490, 54815, 78472, 87533, 87704, 92140, 98090, 102980, 109630, 156367, 175066, 184280, 186371, 196180, 205960, 219260, 312734, 350132, 372742, 392360, 437665, 438520, 625468, 700264, 745484, 781835, 875330, 931855, 1250936, 1490968, 1563670, 1750660, 1863710, 2658239, 2970973, 3127340, 3501320, 3727420, 5316478, 5941946, 6254680, 7454840, 10632956, 11883892, 13291195, 14854865, 21265912, 23767784, 26582390, 29709730, 50506541, 53164780, 59419460, 101013082, 106329560, 118838920, 202026164, 252532705, 404052328, 505065410, 1010130820, 2020261640]

約数ペア:

[(1, 2020261640), (2, 1010130820), (4, 505065410), (5, 404052328), (8, 252532705), (10, 202026164), (17, 118838920), (19, 106329560), (20, 101013082), (34, 59419460), (38, 53164780), (40, 50506541), (68, 29709730), (76, 26582390), (85, 23767784), (95, 21265912), (136, 14854865), (152, 13291195), (170, 11883892), (190, 10632956), (271, 7454840), (323, 6254680), (340, 5941946), (380, 5316478), (542, 3727420), (577, 3501320), (646, 3127340), (680, 2970973), (760, 2658239), (1084, 1863710), (1154, 1750660), (1292, 1563670), (1355, 1490968), (1615, 1250936), (2168, 931855), (2308, 875330), (2584, 781835), (2710, 745484), (2885, 700264), (3230, 625468), (4607, 438520), (4616, 437665), (5149, 392360), (5420, 372742), (5770, 350132), (6460, 312734), (9214, 219260), (9809, 205960), (10298, 196180), (10840, 186371), (10963, 184280), (11540, 175066), (12920, 156367), (18428, 109630), (19618, 102980), (20596, 98090), (21926, 92140), (23035, 87704), (23080, 87533), (25745, 78472), (36856, 54815), (39236, 51490), (41192, 49045), (43852, 46070)]