20316416

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1378

約数の個数: 36

約数和(自身を含む): 41249964

約数和(自身を除く): 20933548

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1301, 1952, 2602, 3904, 5204, 7808, 10408, 15616, 20816, 41632, 79361, 83264, 158722, 166528, 317444, 333056, 634888, 1269776, 2539552, 5079104, 10158208, 20316416]

約数ペア:

[(1, 20316416), (2, 10158208), (4, 5079104), (8, 2539552), (16, 1269776), (32, 634888), (61, 333056), (64, 317444), (122, 166528), (128, 158722), (244, 83264), (256, 79361), (488, 41632), (976, 20816), (1301, 15616), (1952, 10408), (2602, 7808), (3904, 5204)]