20789976648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{6449}}^1$

素因数の和:7115

約数の個数: 128

約数和(自身を含む): 61424640000

約数和(自身を除く): 40634663352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 619, 651, 744, 868, 1238, 1302, 1736, 1857, 2476, 2604, 3714, 4333, 4952, 5208, 6449, 7428, 8666, 12898, 12999, 14856, 17332, 19189, 19347, 25796, 25998, 34664, 38378, 38694, 45143, 51592, 51996, 57567, 76756, 77388, 90286, 103992, 115134, 134323, 135429, 153512, 154776, 180572, 199919, 230268, 268646, 270858, 361144, 399838, 402969, 460536, 537292, 541716, 599757, 799676, 805938, 1074584, 1083432, 1199514, 1399433, 1599352, 1611876, 2399028, 2798866, 3223752, 3991931, 4198299, 4798056, 5597732, 7983862, 8396598, 11195464, 11975793, 15967724, 16793196, 23951586, 27943517, 31935448, 33586392, 47903172, 55887034, 83830551, 95806344, 111774068, 123749861, 167661102, 223548136, 247499722, 335322204, 371249583, 494999444, 670644408, 742499166, 866249027, 989998888, 1484998332, 1732498054, 2598747081, 2969996664, 3464996108, 5197494162, 6929992216, 10394988324, 20789976648]

約数ペア:

[(1, 20789976648), (2, 10394988324), (3, 6929992216), (4, 5197494162), (6, 3464996108), (7, 2969996664), (8, 2598747081), (12, 1732498054), (14, 1484998332), (21, 989998888), (24, 866249027), (28, 742499166), (31, 670644408), (42, 494999444), (56, 371249583), (62, 335322204), (84, 247499722), (93, 223548136), (124, 167661102), (168, 123749861), (186, 111774068), (217, 95806344), (248, 83830551), (372, 55887034), (434, 47903172), (619, 33586392), (651, 31935448), (744, 27943517), (868, 23951586), (1238, 16793196), (1302, 15967724), (1736, 11975793), (1857, 11195464), (2476, 8396598), (2604, 7983862), (3714, 5597732), (4333, 4798056), (4952, 4198299), (5208, 3991931), (6449, 3223752), (7428, 2798866), (8666, 2399028), (12898, 1611876), (12999, 1599352), (14856, 1399433), (17332, 1199514), (19189, 1083432), (19347, 1074584), (25796, 805938), (25998, 799676), (34664, 599757), (38378, 541716), (38694, 537292), (45143, 460536), (51592, 402969), (51996, 399838), (57567, 361144), (76756, 270858), (77388, 268646), (90286, 230268), (103992, 199919), (115134, 180572), (134323, 154776), (135429, 153512)]