20170956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 54089728

約数和(自身を除く): 33918772

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 43, 52, 62, 78, 86, 93, 97, 124, 129, 156, 172, 186, 194, 258, 291, 372, 388, 403, 516, 559, 582, 806, 1118, 1164, 1209, 1261, 1333, 1612, 1677, 2236, 2418, 2522, 2666, 3007, 3354, 3783, 3999, 4171, 4836, 5044, 5332, 6014, 6708, 7566, 7998, 8342, 9021, 12028, 12513, 15132, 15996, 16684, 17329, 18042, 25026, 34658, 36084, 39091, 50052, 51987, 54223, 69316, 78182, 103974, 108446, 117273, 129301, 156364, 162669, 207948, 216892, 234546, 258602, 325338, 387903, 469092, 517204, 650676, 775806, 1551612, 1680913, 3361826, 5042739, 6723652, 10085478, 20170956]

約数ペア:

[(1, 20170956), (2, 10085478), (3, 6723652), (4, 5042739), (6, 3361826), (12, 1680913), (13, 1551612), (26, 775806), (31, 650676), (39, 517204), (43, 469092), (52, 387903), (62, 325338), (78, 258602), (86, 234546), (93, 216892), (97, 207948), (124, 162669), (129, 156364), (156, 129301), (172, 117273), (186, 108446), (194, 103974), (258, 78182), (291, 69316), (372, 54223), (388, 51987), (403, 50052), (516, 39091), (559, 36084), (582, 34658), (806, 25026), (1118, 18042), (1164, 17329), (1209, 16684), (1261, 15996), (1333, 15132), (1612, 12513), (1677, 12028), (2236, 9021), (2418, 8342), (2522, 7998), (2666, 7566), (3007, 6708), (3354, 6014), (3783, 5332), (3999, 5044), (4171, 4836)]