20731640388

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1\times {\mathrm{9733}}^1$

素因数の和:11156

約数の個数: 48

約数和(自身を含む): 48765003840

約数和(自身を除く): 28033363452

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1277, 1668, 2554, 3831, 5108, 7662, 9733, 15324, 19466, 29199, 38932, 58398, 116796, 177503, 355006, 532509, 710012, 1065018, 1352887, 2130036, 2705774, 4058661, 5411548, 8117322, 12429041, 16234644, 24858082, 37287123, 49716164, 74574246, 149148492, 1727636699, 3455273398, 5182910097, 6910546796, 10365820194, 20731640388]

約数ペア:

[(1, 20731640388), (2, 10365820194), (3, 6910546796), (4, 5182910097), (6, 3455273398), (12, 1727636699), (139, 149148492), (278, 74574246), (417, 49716164), (556, 37287123), (834, 24858082), (1277, 16234644), (1668, 12429041), (2554, 8117322), (3831, 5411548), (5108, 4058661), (7662, 2705774), (9733, 2130036), (15324, 1352887), (19466, 1065018), (29199, 710012), (38932, 532509), (58398, 355006), (116796, 177503)]