20391168

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{3793}}^1$

素因数の和:3819

約数の個数: 72

約数和(自身を含む): 62039488

約数和(自身を除く): 41648320

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, 3793, 5376, 7586, 11379, 15172, 22758, 26551, 30344, 45516, 53102, 60688, 79653, 91032, 106204, 121376, 159306, 182064, 212408, 242752, 318612, 364128, 424816, 485504, 637224, 728256, 849632, 971008, 1274448, 1456512, 1699264, 2548896, 2913024, 3398528, 5097792, 6797056, 10195584, 20391168]

約数ペア:

[(1, 20391168), (2, 10195584), (3, 6797056), (4, 5097792), (6, 3398528), (7, 2913024), (8, 2548896), (12, 1699264), (14, 1456512), (16, 1274448), (21, 971008), (24, 849632), (28, 728256), (32, 637224), (42, 485504), (48, 424816), (56, 364128), (64, 318612), (84, 242752), (96, 212408), (112, 182064), (128, 159306), (168, 121376), (192, 106204), (224, 91032), (256, 79653), (336, 60688), (384, 53102), (448, 45516), (672, 30344), (768, 26551), (896, 22758), (1344, 15172), (1792, 11379), (2688, 7586), (3793, 5376)]