20935936

素因数分解:

$2^8\times 7^2\times {\mathrm{1669}}^1$

素因数の和:1699

約数の個数: 54

約数和(自身を含む): 48642090

約数和(自身を除く): 27706154

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1669, 1792, 3136, 3338, 6272, 6676, 11683, 12544, 13352, 23366, 26704, 46732, 53408, 81781, 93464, 106816, 163562, 186928, 213632, 327124, 373856, 427264, 654248, 747712, 1308496, 1495424, 2616992, 2990848, 5233984, 10467968, 20935936]

約数ペア:

[(1, 20935936), (2, 10467968), (4, 5233984), (7, 2990848), (8, 2616992), (14, 1495424), (16, 1308496), (28, 747712), (32, 654248), (49, 427264), (56, 373856), (64, 327124), (98, 213632), (112, 186928), (128, 163562), (196, 106816), (224, 93464), (256, 81781), (392, 53408), (448, 46732), (784, 26704), (896, 23366), (1568, 13352), (1669, 12544), (1792, 11683), (3136, 6676), (3338, 6272)]