20997312

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:958

約数の個数: 112

約数和(自身を含む): 67299840

約数和(自身を除く): 46302528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 136, 168, 192, 204, 224, 238, 272, 336, 357, 408, 448, 476, 544, 672, 714, 816, 919, 952, 1088, 1344, 1428, 1632, 1838, 1904, 2757, 2856, 3264, 3676, 3808, 5514, 5712, 6433, 7352, 7616, 11028, 11424, 12866, 14704, 15623, 19299, 22056, 22848, 25732, 29408, 31246, 38598, 44112, 46869, 51464, 58816, 62492, 77196, 88224, 93738, 102928, 109361, 124984, 154392, 176448, 187476, 205856, 218722, 249968, 308784, 328083, 374952, 411712, 437444, 499936, 617568, 656166, 749904, 874888, 999872, 1235136, 1312332, 1499808, 1749776, 2624664, 2999616, 3499552, 5249328, 6999104, 10498656, 20997312]

約数ペア:

[(1, 20997312), (2, 10498656), (3, 6999104), (4, 5249328), (6, 3499552), (7, 2999616), (8, 2624664), (12, 1749776), (14, 1499808), (16, 1312332), (17, 1235136), (21, 999872), (24, 874888), (28, 749904), (32, 656166), (34, 617568), (42, 499936), (48, 437444), (51, 411712), (56, 374952), (64, 328083), (68, 308784), (84, 249968), (96, 218722), (102, 205856), (112, 187476), (119, 176448), (136, 154392), (168, 124984), (192, 109361), (204, 102928), (224, 93738), (238, 88224), (272, 77196), (336, 62492), (357, 58816), (408, 51464), (448, 46869), (476, 44112), (544, 38598), (672, 31246), (714, 29408), (816, 25732), (919, 22848), (952, 22056), (1088, 19299), (1344, 15623), (1428, 14704), (1632, 12866), (1838, 11424), (1904, 11028), (2757, 7616), (2856, 7352), (3264, 6433), (3676, 5712), (3808, 5514)]