20951694

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 47151312

約数和(自身を除く): 26199618

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 163, 193, 222, 326, 333, 386, 489, 579, 666, 978, 1158, 1467, 1737, 2934, 3474, 6031, 7141, 12062, 14282, 18093, 21423, 31459, 36186, 42846, 54279, 62918, 64269, 94377, 108558, 128538, 188754, 283131, 566262, 1163983, 2327966, 3491949, 6983898, 10475847, 20951694]

約数ペア:

[(1, 20951694), (2, 10475847), (3, 6983898), (6, 3491949), (9, 2327966), (18, 1163983), (37, 566262), (74, 283131), (111, 188754), (163, 128538), (193, 108558), (222, 94377), (326, 64269), (333, 62918), (386, 54279), (489, 42846), (579, 36186), (666, 31459), (978, 21423), (1158, 18093), (1467, 14282), (1737, 12062), (2934, 7141), (3474, 6031)]