20271174

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 35716026

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 29, 33, 34, 42, 51, 58, 66, 77, 87, 89, 102, 119, 154, 174, 178, 187, 203, 231, 238, 267, 319, 357, 374, 406, 462, 493, 534, 561, 609, 623, 638, 714, 957, 979, 986, 1122, 1218, 1246, 1309, 1479, 1513, 1869, 1914, 1958, 2233, 2581, 2618, 2937, 2958, 3026, 3451, 3738, 3927, 4466, 4539, 5162, 5423, 5874, 6699, 6853, 6902, 7743, 7854, 9078, 10353, 10591, 10846, 13398, 13706, 15486, 16269, 16643, 18067, 20559, 20706, 21182, 28391, 31773, 32538, 33286, 36134, 37961, 41118, 43877, 49929, 54201, 56782, 63546, 75922, 85173, 87754, 99858, 108402, 113883, 116501, 131631, 170346, 198737, 227766, 233002, 263262, 307139, 349503, 397474, 482647, 596211, 614278, 699006, 921417, 965294, 1192422, 1447941, 1842834, 2895882, 3378529, 6757058, 10135587, 20271174]

約数ペア:

[(1, 20271174), (2, 10135587), (3, 6757058), (6, 3378529), (7, 2895882), (11, 1842834), (14, 1447941), (17, 1192422), (21, 965294), (22, 921417), (29, 699006), (33, 614278), (34, 596211), (42, 482647), (51, 397474), (58, 349503), (66, 307139), (77, 263262), (87, 233002), (89, 227766), (102, 198737), (119, 170346), (154, 131631), (174, 116501), (178, 113883), (187, 108402), (203, 99858), (231, 87754), (238, 85173), (267, 75922), (319, 63546), (357, 56782), (374, 54201), (406, 49929), (462, 43877), (493, 41118), (534, 37961), (561, 36134), (609, 33286), (623, 32538), (638, 31773), (714, 28391), (957, 21182), (979, 20706), (986, 20559), (1122, 18067), (1218, 16643), (1246, 16269), (1309, 15486), (1479, 13706), (1513, 13398), (1869, 10846), (1914, 10591), (1958, 10353), (2233, 9078), (2581, 7854), (2618, 7743), (2937, 6902), (2958, 6853), (3026, 6699), (3451, 5874), (3738, 5423), (3927, 5162), (4466, 4539)]