20907264

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{3889}}^1$

素因数の和:3915

約数の個数: 72

約数和(自身を含む): 63609280

約数和(自身を除く): 42702016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 3889, 5376, 7778, 11667, 15556, 23334, 27223, 31112, 46668, 54446, 62224, 81669, 93336, 108892, 124448, 163338, 186672, 217784, 248896, 326676, 373344, 435568, 497792, 653352, 746688, 871136, 995584, 1306704, 1493376, 1742272, 2613408, 2986752, 3484544, 5226816, 6969088, 10453632, 20907264]

約数ペア:

[(1, 20907264), (2, 10453632), (3, 6969088), (4, 5226816), (6, 3484544), (7, 2986752), (8, 2613408), (12, 1742272), (14, 1493376), (16, 1306704), (21, 995584), (24, 871136), (28, 746688), (32, 653352), (42, 497792), (48, 435568), (56, 373344), (64, 326676), (84, 248896), (96, 217784), (112, 186672), (128, 163338), (168, 124448), (192, 108892), (224, 93336), (256, 81669), (336, 62224), (384, 54446), (448, 46668), (672, 31112), (768, 27223), (896, 23334), (1344, 15556), (1792, 11667), (2688, 7778), (3889, 5376)]