20148056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 42184800

約数和(自身を除く): 22036744

約数列:

[1, 2, 4, 8, 19, 38, 41, 53, 61, 76, 82, 106, 122, 152, 164, 212, 244, 328, 424, 488, 779, 1007, 1159, 1558, 2014, 2173, 2318, 2501, 3116, 3233, 4028, 4346, 4636, 5002, 6232, 6466, 8056, 8692, 9272, 10004, 12932, 17384, 20008, 25864, 41287, 47519, 61427, 82574, 95038, 122854, 132553, 165148, 190076, 245708, 265106, 330296, 380152, 491416, 530212, 1060424, 2518507, 5037014, 10074028, 20148056]

約数ペア:

[(1, 20148056), (2, 10074028), (4, 5037014), (8, 2518507), (19, 1060424), (38, 530212), (41, 491416), (53, 380152), (61, 330296), (76, 265106), (82, 245708), (106, 190076), (122, 165148), (152, 132553), (164, 122854), (212, 95038), (244, 82574), (328, 61427), (424, 47519), (488, 41287), (779, 25864), (1007, 20008), (1159, 17384), (1558, 12932), (2014, 10004), (2173, 9272), (2318, 8692), (2501, 8056), (3116, 6466), (3233, 6232), (4028, 5002), (4346, 4636)]