20123034309

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{24709}}^1$

素因数の和:24895

約数の個数: 64

約数和(自身を含む): 35424256000

約数和(自身を除く): 15301221691

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 139, 189, 217, 279, 417, 651, 837, 973, 1251, 1953, 2919, 3753, 4309, 5859, 8757, 12927, 24709, 26271, 30163, 38781, 74127, 90489, 116343, 172963, 222381, 271467, 518889, 667143, 765979, 814401, 1556667, 2297937, 3434551, 4670001, 5361853, 6893811, 10303653, 16085559, 20681433, 24041857, 30910959, 48256677, 72125571, 92732877, 106471081, 144770031, 216376713, 319413243, 649130139, 745297567, 958239729, 2235892701, 2874719187, 6707678103, 20123034309]

約数ペア:

[(1, 20123034309), (3, 6707678103), (7, 2874719187), (9, 2235892701), (21, 958239729), (27, 745297567), (31, 649130139), (63, 319413243), (93, 216376713), (139, 144770031), (189, 106471081), (217, 92732877), (279, 72125571), (417, 48256677), (651, 30910959), (837, 24041857), (973, 20681433), (1251, 16085559), (1953, 10303653), (2919, 6893811), (3753, 5361853), (4309, 4670001), (5859, 3434551), (8757, 2297937), (12927, 1556667), (24709, 814401), (26271, 765979), (30163, 667143), (38781, 518889), (74127, 271467), (90489, 222381), (116343, 172963)]