20217216

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 60220800

約数和(自身を除く): 40003584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 64, 68, 76, 96, 102, 114, 128, 136, 152, 163, 192, 204, 228, 272, 304, 323, 326, 384, 408, 456, 489, 544, 608, 646, 652, 816, 912, 969, 978, 1088, 1216, 1292, 1304, 1632, 1824, 1938, 1956, 2176, 2432, 2584, 2608, 2771, 3097, 3264, 3648, 3876, 3912, 5168, 5216, 5542, 6194, 6528, 7296, 7752, 7824, 8313, 9291, 10336, 10432, 11084, 12388, 15504, 15648, 16626, 18582, 20672, 20864, 22168, 24776, 31008, 31296, 33252, 37164, 41344, 44336, 49552, 52649, 62016, 62592, 66504, 74328, 88672, 99104, 105298, 124032, 133008, 148656, 157947, 177344, 198208, 210596, 266016, 297312, 315894, 354688, 396416, 421192, 532032, 594624, 631788, 842384, 1064064, 1189248, 1263576, 1684768, 2527152, 3369536, 5054304, 6739072, 10108608, 20217216]

約数ペア:

[(1, 20217216), (2, 10108608), (3, 6739072), (4, 5054304), (6, 3369536), (8, 2527152), (12, 1684768), (16, 1263576), (17, 1189248), (19, 1064064), (24, 842384), (32, 631788), (34, 594624), (38, 532032), (48, 421192), (51, 396416), (57, 354688), (64, 315894), (68, 297312), (76, 266016), (96, 210596), (102, 198208), (114, 177344), (128, 157947), (136, 148656), (152, 133008), (163, 124032), (192, 105298), (204, 99104), (228, 88672), (272, 74328), (304, 66504), (323, 62592), (326, 62016), (384, 52649), (408, 49552), (456, 44336), (489, 41344), (544, 37164), (608, 33252), (646, 31296), (652, 31008), (816, 24776), (912, 22168), (969, 20864), (978, 20672), (1088, 18582), (1216, 16626), (1292, 15648), (1304, 15504), (1632, 12388), (1824, 11084), (1938, 10432), (1956, 10336), (2176, 9291), (2432, 8313), (2584, 7824), (2608, 7752), (2771, 7296), (3097, 6528), (3264, 6194), (3648, 5542), (3876, 5216), (3912, 5168)]