20264097

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11991903

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 419, 987, 1029, 1257, 2303, 2933, 6909, 8799, 16121, 19693, 20531, 48363, 59079, 61593, 137851, 143717, 413553, 431151, 964957, 2894871, 6754699, 20264097]

約数ペア:

[(1, 20264097), (3, 6754699), (7, 2894871), (21, 964957), (47, 431151), (49, 413553), (141, 143717), (147, 137851), (329, 61593), (343, 59079), (419, 48363), (987, 20531), (1029, 19693), (1257, 16121), (2303, 8799), (2933, 6909)]