20295184

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 29201648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 263, 364, 371, 424, 526, 689, 728, 742, 848, 1052, 1378, 1456, 1484, 1841, 2104, 2756, 2968, 3419, 3682, 4208, 4823, 5512, 5936, 6838, 7364, 9646, 11024, 13676, 13939, 14728, 19292, 23933, 27352, 27878, 29456, 38584, 47866, 54704, 55756, 77168, 95732, 97573, 111512, 181207, 191464, 195146, 223024, 362414, 382928, 390292, 724828, 780584, 1268449, 1449656, 1561168, 2536898, 2899312, 5073796, 10147592, 20295184]

約数ペア:

[(1, 20295184), (2, 10147592), (4, 5073796), (7, 2899312), (8, 2536898), (13, 1561168), (14, 1449656), (16, 1268449), (26, 780584), (28, 724828), (52, 390292), (53, 382928), (56, 362414), (91, 223024), (104, 195146), (106, 191464), (112, 181207), (182, 111512), (208, 97573), (212, 95732), (263, 77168), (364, 55756), (371, 54704), (424, 47866), (526, 38584), (689, 29456), (728, 27878), (742, 27352), (848, 23933), (1052, 19292), (1378, 14728), (1456, 13939), (1484, 13676), (1841, 11024), (2104, 9646), (2756, 7364), (2968, 6838), (3419, 5936), (3682, 5512), (4208, 4823)]