20823936

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 64757760

約数和(自身を除く): 43933824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 64, 84, 96, 112, 122, 127, 128, 168, 183, 192, 224, 244, 254, 336, 366, 381, 384, 427, 448, 488, 508, 672, 732, 762, 854, 889, 896, 976, 1016, 1281, 1344, 1464, 1524, 1708, 1778, 1952, 2032, 2562, 2667, 2688, 2928, 3048, 3416, 3556, 3904, 4064, 5124, 5334, 5856, 6096, 6832, 7112, 7747, 7808, 8128, 10248, 10668, 11712, 12192, 13664, 14224, 15494, 16256, 20496, 21336, 23241, 23424, 24384, 27328, 28448, 30988, 40992, 42672, 46482, 48768, 54229, 54656, 56896, 61976, 81984, 85344, 92964, 108458, 113792, 123952, 162687, 163968, 170688, 185928, 216916, 247904, 325374, 341376, 371856, 433832, 495808, 650748, 743712, 867664, 991616, 1301496, 1487424, 1735328, 2602992, 2974848, 3470656, 5205984, 6941312, 10411968, 20823936]

約数ペア:

[(1, 20823936), (2, 10411968), (3, 6941312), (4, 5205984), (6, 3470656), (7, 2974848), (8, 2602992), (12, 1735328), (14, 1487424), (16, 1301496), (21, 991616), (24, 867664), (28, 743712), (32, 650748), (42, 495808), (48, 433832), (56, 371856), (61, 341376), (64, 325374), (84, 247904), (96, 216916), (112, 185928), (122, 170688), (127, 163968), (128, 162687), (168, 123952), (183, 113792), (192, 108458), (224, 92964), (244, 85344), (254, 81984), (336, 61976), (366, 56896), (381, 54656), (384, 54229), (427, 48768), (448, 46482), (488, 42672), (508, 40992), (672, 30988), (732, 28448), (762, 27328), (854, 24384), (889, 23424), (896, 23241), (976, 21336), (1016, 20496), (1281, 16256), (1344, 15494), (1464, 14224), (1524, 13664), (1708, 12192), (1778, 11712), (1952, 10668), (2032, 10248), (2562, 8128), (2667, 7808), (2688, 7747), (2928, 7112), (3048, 6832), (3416, 6096), (3556, 5856), (3904, 5334), (4064, 5124)]