20678814

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1124

約数の個数: 56

約数和(自身を含む): 50129352

約数和(自身を除く): 29450538

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1091, 1458, 2106, 2182, 3159, 3273, 6318, 6546, 9477, 9819, 14183, 18954, 19638, 28366, 29457, 42549, 58914, 85098, 88371, 127647, 176742, 255294, 265113, 382941, 530226, 765882, 795339, 1148823, 1590678, 2297646, 3446469, 6892938, 10339407, 20678814]

約数ペア:

[(1, 20678814), (2, 10339407), (3, 6892938), (6, 3446469), (9, 2297646), (13, 1590678), (18, 1148823), (26, 795339), (27, 765882), (39, 530226), (54, 382941), (78, 265113), (81, 255294), (117, 176742), (162, 127647), (234, 88371), (243, 85098), (351, 58914), (486, 42549), (702, 29457), (729, 28366), (1053, 19638), (1091, 18954), (1458, 14183), (2106, 9819), (2182, 9477), (3159, 6546), (3273, 6318)]