20216484

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3719}}^1$

素因数の和:3880

約数の個数: 36

約数和(自身を含む): 51455040

約数和(自身を除く): 31238556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3719, 5436, 7438, 11157, 14876, 22314, 33471, 44628, 66942, 133884, 561569, 1123138, 1684707, 2246276, 3369414, 5054121, 6738828, 10108242, 20216484]

約数ペア:

[(1, 20216484), (2, 10108242), (3, 6738828), (4, 5054121), (6, 3369414), (9, 2246276), (12, 1684707), (18, 1123138), (36, 561569), (151, 133884), (302, 66942), (453, 44628), (604, 33471), (906, 22314), (1359, 14876), (1812, 11157), (2718, 7438), (3719, 5436)]