20706238

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 39831264

約数和(自身を除く): 19125026

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 241, 266, 323, 361, 482, 646, 722, 1687, 2261, 2527, 3374, 4097, 4522, 4579, 5054, 6137, 8194, 9158, 12274, 28679, 32053, 42959, 57358, 64106, 77843, 85918, 87001, 155686, 174002, 544901, 609007, 1089802, 1218014, 1479017, 2958034, 10353119, 20706238]

約数ペア:

[(1, 20706238), (2, 10353119), (7, 2958034), (14, 1479017), (17, 1218014), (19, 1089802), (34, 609007), (38, 544901), (119, 174002), (133, 155686), (238, 87001), (241, 85918), (266, 77843), (323, 64106), (361, 57358), (482, 42959), (646, 32053), (722, 28679), (1687, 12274), (2261, 9158), (2527, 8194), (3374, 6137), (4097, 5054), (4522, 4579)]