20348672

素因数分解:

$2^8\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:904

約数の個数: 36

約数和(自身を含む): 41072136

約数和(自身を除く): 20723464

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 787, 808, 1574, 1616, 3148, 3232, 6296, 6464, 12592, 12928, 25184, 25856, 50368, 79487, 100736, 158974, 201472, 317948, 635896, 1271792, 2543584, 5087168, 10174336, 20348672]

約数ペア:

[(1, 20348672), (2, 10174336), (4, 5087168), (8, 2543584), (16, 1271792), (32, 635896), (64, 317948), (101, 201472), (128, 158974), (202, 100736), (256, 79487), (404, 50368), (787, 25856), (808, 25184), (1574, 12928), (1616, 12592), (3148, 6464), (3232, 6296)]