20744352

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 45299808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 32, 34, 36, 38, 48, 51, 57, 68, 72, 76, 96, 102, 114, 136, 144, 152, 153, 171, 204, 223, 228, 272, 288, 304, 306, 323, 342, 408, 446, 456, 544, 608, 612, 646, 669, 684, 816, 892, 912, 969, 1224, 1292, 1338, 1368, 1632, 1784, 1824, 1938, 2007, 2448, 2584, 2676, 2736, 2907, 3568, 3791, 3876, 4014, 4237, 4896, 5168, 5352, 5472, 5814, 7136, 7582, 7752, 8028, 8474, 10336, 10704, 11373, 11628, 12711, 15164, 15504, 16056, 16948, 21408, 22746, 23256, 25422, 30328, 31008, 32112, 33896, 34119, 38133, 45492, 46512, 50844, 60656, 64224, 67792, 68238, 72029, 76266, 90984, 93024, 101688, 121312, 135584, 136476, 144058, 152532, 181968, 203376, 216087, 272952, 288116, 305064, 363936, 406752, 432174, 545904, 576232, 610128, 648261, 864348, 1091808, 1152464, 1220256, 1296522, 1728696, 2304928, 2593044, 3457392, 5186088, 6914784, 10372176, 20744352]

約数ペア:

[(1, 20744352), (2, 10372176), (3, 6914784), (4, 5186088), (6, 3457392), (8, 2593044), (9, 2304928), (12, 1728696), (16, 1296522), (17, 1220256), (18, 1152464), (19, 1091808), (24, 864348), (32, 648261), (34, 610128), (36, 576232), (38, 545904), (48, 432174), (51, 406752), (57, 363936), (68, 305064), (72, 288116), (76, 272952), (96, 216087), (102, 203376), (114, 181968), (136, 152532), (144, 144058), (152, 136476), (153, 135584), (171, 121312), (204, 101688), (223, 93024), (228, 90984), (272, 76266), (288, 72029), (304, 68238), (306, 67792), (323, 64224), (342, 60656), (408, 50844), (446, 46512), (456, 45492), (544, 38133), (608, 34119), (612, 33896), (646, 32112), (669, 31008), (684, 30328), (816, 25422), (892, 23256), (912, 22746), (969, 21408), (1224, 16948), (1292, 16056), (1338, 15504), (1368, 15164), (1632, 12711), (1784, 11628), (1824, 11373), (1938, 10704), (2007, 10336), (2448, 8474), (2584, 8028), (2676, 7752), (2736, 7582), (2907, 7136), (3568, 5814), (3791, 5472), (3876, 5352), (4014, 5168), (4237, 4896)]