20121030706

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{144983}}^1$

素因数の和:145446

約数の個数: 32

約数和(自身を含む): 36076658688

約数和(自身を除く): 15955627982

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 431, 862, 3017, 6034, 9913, 19826, 69391, 138782, 144983, 289966, 1014881, 2029762, 3334609, 6669218, 23342263, 46684526, 62487673, 124975346, 437413711, 874827422, 1437216479, 2874432958, 10060515353, 20121030706]

約数ペア:

[(1, 20121030706), (2, 10060515353), (7, 2874432958), (14, 1437216479), (23, 874827422), (46, 437413711), (161, 124975346), (322, 62487673), (431, 46684526), (862, 23342263), (3017, 6669218), (6034, 3334609), (9913, 2029762), (19826, 1014881), (69391, 289966), (138782, 144983)]