20137076379

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{130517}}^1$

素因数の和:130640

約数の個数: 48

約数和(自身を含む): 34749112320

約数和(自身を除く): 14612035941

約数列:

[1, 3, 7, 9, 21, 31, 63, 79, 93, 217, 237, 279, 553, 651, 711, 1659, 1953, 2449, 4977, 7347, 17143, 22041, 51429, 130517, 154287, 391551, 913619, 1174653, 2740857, 4046027, 8222571, 10310843, 12138081, 28322189, 30932529, 36414243, 72175901, 84966567, 92797587, 216527703, 254899701, 319636133, 649583109, 958908399, 2237452931, 2876725197, 6712358793, 20137076379]

約数ペア:

[(1, 20137076379), (3, 6712358793), (7, 2876725197), (9, 2237452931), (21, 958908399), (31, 649583109), (63, 319636133), (79, 254899701), (93, 216527703), (217, 92797587), (237, 84966567), (279, 72175901), (553, 36414243), (651, 30932529), (711, 28322189), (1659, 12138081), (1953, 10310843), (2449, 8222571), (4977, 4046027), (7347, 2740857), (17143, 1174653), (22041, 913619), (51429, 391551), (130517, 154287)]