20929024

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1056

約数の個数: 40

約数和(自身を含む): 42880068

約数和(自身を除く): 21951044

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 997, 1312, 1994, 2624, 3988, 5248, 7976, 10496, 15952, 20992, 31904, 40877, 63808, 81754, 127616, 163508, 255232, 327016, 510464, 654032, 1308064, 2616128, 5232256, 10464512, 20929024]

約数ペア:

[(1, 20929024), (2, 10464512), (4, 5232256), (8, 2616128), (16, 1308064), (32, 654032), (41, 510464), (64, 327016), (82, 255232), (128, 163508), (164, 127616), (256, 81754), (328, 63808), (512, 40877), (656, 31904), (997, 20992), (1312, 15952), (1994, 10496), (2624, 7976), (3988, 5248)]