20112906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 47393280

約数和(自身を除く): 27280374

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 43, 57, 66, 86, 114, 129, 209, 258, 373, 418, 473, 627, 746, 817, 946, 1119, 1254, 1419, 1634, 2238, 2451, 2838, 4103, 4902, 7087, 8206, 8987, 12309, 14174, 16039, 17974, 21261, 24618, 26961, 32078, 42522, 48117, 53922, 77957, 96234, 155914, 176429, 233871, 304741, 352858, 467742, 529287, 609482, 914223, 1058574, 1828446, 3352151, 6704302, 10056453, 20112906]

約数ペア:

[(1, 20112906), (2, 10056453), (3, 6704302), (6, 3352151), (11, 1828446), (19, 1058574), (22, 914223), (33, 609482), (38, 529287), (43, 467742), (57, 352858), (66, 304741), (86, 233871), (114, 176429), (129, 155914), (209, 96234), (258, 77957), (373, 53922), (418, 48117), (473, 42522), (627, 32078), (746, 26961), (817, 24618), (946, 21261), (1119, 17974), (1254, 16039), (1419, 14174), (1634, 12309), (2238, 8987), (2451, 8206), (2838, 7087), (4103, 4902)]