20467512

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 63201600

約数和(自身を除く): 42734088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 52, 54, 72, 74, 78, 104, 108, 111, 117, 148, 156, 197, 216, 222, 234, 296, 312, 333, 351, 394, 444, 468, 481, 591, 666, 702, 788, 888, 936, 962, 999, 1182, 1332, 1404, 1443, 1576, 1773, 1924, 1998, 2364, 2561, 2664, 2808, 2886, 3546, 3848, 3996, 4329, 4728, 5122, 5319, 5772, 7092, 7289, 7683, 7992, 8658, 10244, 10638, 11544, 12987, 14184, 14578, 15366, 17316, 20488, 21276, 21867, 23049, 25974, 29156, 30732, 34632, 42552, 43734, 46098, 51948, 58312, 61464, 65601, 69147, 87468, 92196, 94757, 103896, 131202, 138294, 174936, 184392, 189514, 196803, 262404, 276588, 284271, 379028, 393606, 524808, 553176, 568542, 758056, 787212, 852813, 1137084, 1574424, 1705626, 2274168, 2558439, 3411252, 5116878, 6822504, 10233756, 20467512]

約数ペア:

[(1, 20467512), (2, 10233756), (3, 6822504), (4, 5116878), (6, 3411252), (8, 2558439), (9, 2274168), (12, 1705626), (13, 1574424), (18, 1137084), (24, 852813), (26, 787212), (27, 758056), (36, 568542), (37, 553176), (39, 524808), (52, 393606), (54, 379028), (72, 284271), (74, 276588), (78, 262404), (104, 196803), (108, 189514), (111, 184392), (117, 174936), (148, 138294), (156, 131202), (197, 103896), (216, 94757), (222, 92196), (234, 87468), (296, 69147), (312, 65601), (333, 61464), (351, 58312), (394, 51948), (444, 46098), (468, 43734), (481, 42552), (591, 34632), (666, 30732), (702, 29156), (788, 25974), (888, 23049), (936, 21867), (962, 21276), (999, 20488), (1182, 17316), (1332, 15366), (1404, 14578), (1443, 14184), (1576, 12987), (1773, 11544), (1924, 10638), (1998, 10244), (2364, 8658), (2561, 7992), (2664, 7683), (2808, 7289), (2886, 7092), (3546, 5772), (3848, 5319), (3996, 5122), (4329, 4728)]