20180630974

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1\times {\mathrm{1439}}^1$

素因数の和:2017

約数の個数: 64

約数和(自身を含む): 36578304000

約数和(自身を除く): 16397673026

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 449, 679, 898, 1358, 1439, 2231, 2878, 3143, 4462, 6286, 10073, 10327, 15617, 20146, 20654, 31234, 33097, 43553, 66194, 72289, 87106, 139583, 144578, 231679, 279166, 304871, 463358, 609742, 646111, 977081, 1001719, 1292222, 1954162, 2003438, 3210409, 4522777, 6420818, 7012033, 9045554, 14024066, 14860553, 22472863, 29721106, 44945726, 62672767, 104023871, 125345534, 208047742, 438709369, 877418738, 1441473641, 2882947282, 10090315487, 20180630974]

約数ペア:

[(1, 20180630974), (2, 10090315487), (7, 2882947282), (14, 1441473641), (23, 877418738), (46, 438709369), (97, 208047742), (161, 125345534), (194, 104023871), (322, 62672767), (449, 44945726), (679, 29721106), (898, 22472863), (1358, 14860553), (1439, 14024066), (2231, 9045554), (2878, 7012033), (3143, 6420818), (4462, 4522777), (6286, 3210409), (10073, 2003438), (10327, 1954162), (15617, 1292222), (20146, 1001719), (20654, 977081), (31234, 646111), (33097, 609742), (43553, 463358), (66194, 304871), (72289, 279166), (87106, 231679), (139583, 144578)]