20056743

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1321}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 33272096

約数和(自身を除く): 13215353

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1321, 1687, 2169, 3963, 5061, 9247, 11889, 15183, 27741, 83223, 318361, 955083, 2228527, 2865249, 6685581, 20056743]

約数ペア:

[(1, 20056743), (3, 6685581), (7, 2865249), (9, 2228527), (21, 955083), (63, 318361), (241, 83223), (723, 27741), (1321, 15183), (1687, 11889), (2169, 9247), (3963, 5061)]