20498192

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 51163392

約数和(自身を除く): 30665200

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 31, 34, 44, 52, 62, 68, 88, 104, 124, 136, 143, 176, 187, 208, 221, 248, 272, 286, 289, 341, 374, 403, 442, 496, 527, 572, 578, 682, 748, 806, 884, 1054, 1144, 1156, 1364, 1496, 1612, 1768, 2108, 2288, 2312, 2431, 2728, 2992, 3179, 3224, 3536, 3757, 4216, 4433, 4624, 4862, 5456, 5797, 6358, 6448, 6851, 7514, 8432, 8866, 8959, 9724, 11594, 12716, 13702, 15028, 17732, 17918, 19448, 23188, 25432, 27404, 30056, 35464, 35836, 38896, 41327, 46376, 50864, 54808, 60112, 70928, 71672, 75361, 82654, 92752, 98549, 109616, 116467, 143344, 150722, 165308, 197098, 232934, 301444, 330616, 394196, 465868, 602888, 661232, 788392, 931736, 1205776, 1281137, 1576784, 1863472, 2562274, 5124548, 10249096, 20498192]

約数ペア:

[(1, 20498192), (2, 10249096), (4, 5124548), (8, 2562274), (11, 1863472), (13, 1576784), (16, 1281137), (17, 1205776), (22, 931736), (26, 788392), (31, 661232), (34, 602888), (44, 465868), (52, 394196), (62, 330616), (68, 301444), (88, 232934), (104, 197098), (124, 165308), (136, 150722), (143, 143344), (176, 116467), (187, 109616), (208, 98549), (221, 92752), (248, 82654), (272, 75361), (286, 71672), (289, 70928), (341, 60112), (374, 54808), (403, 50864), (442, 46376), (496, 41327), (527, 38896), (572, 35836), (578, 35464), (682, 30056), (748, 27404), (806, 25432), (884, 23188), (1054, 19448), (1144, 17918), (1156, 17732), (1364, 15028), (1496, 13702), (1612, 12716), (1768, 11594), (2108, 9724), (2288, 8959), (2312, 8866), (2431, 8432), (2728, 7514), (2992, 6851), (3179, 6448), (3224, 6358), (3536, 5797), (3757, 5456), (4216, 4862), (4433, 4624)]