20189766474

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{404783}}^1$

素因数の和:404971

約数の個数: 48

約数和(自身を含む): 46601972352

約数和(自身を除く): 26412205878

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 163, 306, 326, 489, 978, 1467, 2771, 2934, 5542, 8313, 16626, 24939, 49878, 404783, 809566, 1214349, 2428698, 3643047, 6881311, 7286094, 13762622, 20643933, 41287866, 61931799, 65979629, 123863598, 131959258, 197938887, 395877774, 593816661, 1121653693, 1187633322, 2243307386, 3364961079, 6729922158, 10094883237, 20189766474]

約数ペア:

[(1, 20189766474), (2, 10094883237), (3, 6729922158), (6, 3364961079), (9, 2243307386), (17, 1187633322), (18, 1121653693), (34, 593816661), (51, 395877774), (102, 197938887), (153, 131959258), (163, 123863598), (306, 65979629), (326, 61931799), (489, 41287866), (978, 20643933), (1467, 13762622), (2771, 7286094), (2934, 6881311), (5542, 3643047), (8313, 2428698), (16626, 1214349), (24939, 809566), (49878, 404783)]