20626074

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{523}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 51335232

約数和(自身を除く): 30709158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 313, 523, 626, 939, 1046, 1569, 1878, 2191, 2817, 3138, 3661, 4382, 4707, 5634, 6573, 7322, 9414, 10983, 13146, 19719, 21966, 32949, 39438, 65898, 163699, 327398, 491097, 982194, 1145893, 1473291, 2291786, 2946582, 3437679, 6875358, 10313037, 20626074]

約数ペア:

[(1, 20626074), (2, 10313037), (3, 6875358), (6, 3437679), (7, 2946582), (9, 2291786), (14, 1473291), (18, 1145893), (21, 982194), (42, 491097), (63, 327398), (126, 163699), (313, 65898), (523, 39438), (626, 32949), (939, 21966), (1046, 19719), (1569, 13146), (1878, 10983), (2191, 9414), (2817, 7322), (3138, 6573), (3661, 5634), (4382, 4707)]