20192490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:373

約数の個数: 80

約数和(自身を含む): 55068552

約数和(自身を除く): 34876062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 97, 135, 162, 194, 257, 270, 291, 405, 485, 514, 582, 771, 810, 873, 970, 1285, 1455, 1542, 1746, 2313, 2570, 2619, 2910, 3855, 4365, 4626, 5238, 6939, 7710, 7857, 8730, 11565, 13095, 13878, 15714, 20817, 23130, 24929, 26190, 34695, 39285, 41634, 49858, 69390, 74787, 78570, 104085, 124645, 149574, 208170, 224361, 249290, 373935, 448722, 673083, 747870, 1121805, 1346166, 2019249, 2243610, 3365415, 4038498, 6730830, 10096245, 20192490]

約数ペア:

[(1, 20192490), (2, 10096245), (3, 6730830), (5, 4038498), (6, 3365415), (9, 2243610), (10, 2019249), (15, 1346166), (18, 1121805), (27, 747870), (30, 673083), (45, 448722), (54, 373935), (81, 249290), (90, 224361), (97, 208170), (135, 149574), (162, 124645), (194, 104085), (257, 78570), (270, 74787), (291, 69390), (405, 49858), (485, 41634), (514, 39285), (582, 34695), (771, 26190), (810, 24929), (873, 23130), (970, 20817), (1285, 15714), (1455, 13878), (1542, 13095), (1746, 11565), (2313, 8730), (2570, 7857), (2619, 7710), (2910, 6939), (3855, 5238), (4365, 4626)]