20753376

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 63141120

約数和(自身を除く): 42387744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 89, 96, 112, 168, 178, 224, 267, 336, 347, 356, 534, 623, 672, 694, 712, 1041, 1068, 1246, 1388, 1424, 1869, 2082, 2136, 2429, 2492, 2776, 2848, 3738, 4164, 4272, 4858, 4984, 5552, 7287, 7476, 8328, 8544, 9716, 9968, 11104, 14574, 14952, 16656, 19432, 19936, 29148, 29904, 30883, 33312, 38864, 58296, 59808, 61766, 77728, 92649, 116592, 123532, 185298, 216181, 233184, 247064, 370596, 432362, 494128, 648543, 741192, 864724, 988256, 1297086, 1482384, 1729448, 2594172, 2964768, 3458896, 5188344, 6917792, 10376688, 20753376]

約数ペア:

[(1, 20753376), (2, 10376688), (3, 6917792), (4, 5188344), (6, 3458896), (7, 2964768), (8, 2594172), (12, 1729448), (14, 1482384), (16, 1297086), (21, 988256), (24, 864724), (28, 741192), (32, 648543), (42, 494128), (48, 432362), (56, 370596), (84, 247064), (89, 233184), (96, 216181), (112, 185298), (168, 123532), (178, 116592), (224, 92649), (267, 77728), (336, 61766), (347, 59808), (356, 58296), (534, 38864), (623, 33312), (672, 30883), (694, 29904), (712, 29148), (1041, 19936), (1068, 19432), (1246, 16656), (1388, 14952), (1424, 14574), (1869, 11104), (2082, 9968), (2136, 9716), (2429, 8544), (2492, 8328), (2776, 7476), (2848, 7287), (3738, 5552), (4164, 4984), (4272, 4858)]