20509230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 36261330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 762, 769, 889, 1270, 1538, 1778, 1905, 2307, 2667, 3810, 3845, 4445, 4614, 5334, 5383, 7690, 8890, 10766, 11535, 13335, 16149, 23070, 26670, 26915, 32298, 53830, 80745, 97663, 161490, 195326, 292989, 488315, 585978, 683641, 976630, 1367282, 1464945, 2050923, 2929890, 3418205, 4101846, 6836410, 10254615, 20509230]

約数ペア:

[(1, 20509230), (2, 10254615), (3, 6836410), (5, 4101846), (6, 3418205), (7, 2929890), (10, 2050923), (14, 1464945), (15, 1367282), (21, 976630), (30, 683641), (35, 585978), (42, 488315), (70, 292989), (105, 195326), (127, 161490), (210, 97663), (254, 80745), (381, 53830), (635, 32298), (762, 26915), (769, 26670), (889, 23070), (1270, 16149), (1538, 13335), (1778, 11535), (1905, 10766), (2307, 8890), (2667, 7690), (3810, 5383), (3845, 5334), (4445, 4614)]