20979042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1093}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 48100992

約数和(自身を除く): 27121950

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 1093, 1371, 2186, 2742, 3199, 3279, 6398, 6558, 7651, 9597, 15302, 19194, 22953, 45906, 499501, 999002, 1498503, 2997006, 3496507, 6993014, 10489521, 20979042]

約数ペア:

[(1, 20979042), (2, 10489521), (3, 6993014), (6, 3496507), (7, 2997006), (14, 1498503), (21, 999002), (42, 499501), (457, 45906), (914, 22953), (1093, 19194), (1371, 15302), (2186, 9597), (2742, 7651), (3199, 6558), (3279, 6398)]