20450752

素因数分解:

$2^6\times 7^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 56

約数和(自身を含む): 46817280

約数和(自身を除く): 26366528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 191, 224, 239, 382, 448, 478, 764, 956, 1337, 1528, 1673, 1912, 2674, 3056, 3346, 3824, 5348, 6112, 6692, 7648, 10696, 12224, 13384, 15296, 21392, 26768, 42784, 45649, 53536, 85568, 91298, 107072, 182596, 319543, 365192, 639086, 730384, 1278172, 1460768, 2556344, 2921536, 5112688, 10225376, 20450752]

約数ペア:

[(1, 20450752), (2, 10225376), (4, 5112688), (7, 2921536), (8, 2556344), (14, 1460768), (16, 1278172), (28, 730384), (32, 639086), (56, 365192), (64, 319543), (112, 182596), (191, 107072), (224, 91298), (239, 85568), (382, 53536), (448, 45649), (478, 42784), (764, 26768), (956, 21392), (1337, 15296), (1528, 13384), (1673, 12224), (1912, 10696), (2674, 7648), (3056, 6692), (3346, 6112), (3824, 5348)]