20809998

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{463}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 49510656

約数和(自身を除く): 28700658

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 227, 454, 463, 681, 926, 1362, 1389, 2043, 2497, 2778, 4086, 4167, 4994, 5093, 7491, 8334, 10186, 14982, 15279, 22473, 30558, 44946, 45837, 91674, 105101, 210202, 315303, 630606, 945909, 1156111, 1891818, 2312222, 3468333, 6936666, 10404999, 20809998]

約数ペア:

[(1, 20809998), (2, 10404999), (3, 6936666), (6, 3468333), (9, 2312222), (11, 1891818), (18, 1156111), (22, 945909), (33, 630606), (66, 315303), (99, 210202), (198, 105101), (227, 91674), (454, 45837), (463, 44946), (681, 30558), (926, 22473), (1362, 15279), (1389, 14982), (2043, 10186), (2497, 8334), (2778, 7491), (4086, 5093), (4167, 4994)]