20664064

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1523}}^1$

素因数の和:1592

約数の個数: 36

約数和(自身を含む): 42053256

約数和(自身を除く): 21389192

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1523, 1696, 3046, 3392, 6092, 6784, 12184, 13568, 24368, 48736, 80719, 97472, 161438, 194944, 322876, 389888, 645752, 1291504, 2583008, 5166016, 10332032, 20664064]

約数ペア:

[(1, 20664064), (2, 10332032), (4, 5166016), (8, 2583008), (16, 1291504), (32, 645752), (53, 389888), (64, 322876), (106, 194944), (128, 161438), (212, 97472), (256, 80719), (424, 48736), (848, 24368), (1523, 13568), (1696, 12184), (3046, 6784), (3392, 6092)]