20123998038

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{479}}^1\times {\mathrm{31973}}^1$

素因数の和:32533

約数の個数: 48

約数和(自身を含む): 44292942720

約数和(自身を除く): 24168944682

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 479, 657, 958, 1314, 1437, 2874, 4311, 8622, 31973, 34967, 63946, 69934, 95919, 104901, 191838, 209802, 287757, 314703, 575514, 629406, 2334029, 4668058, 7002087, 14004174, 15315067, 21006261, 30630134, 42012522, 45945201, 91890402, 137835603, 275671206, 1117999891, 2235999782, 3353999673, 6707999346, 10061999019, 20123998038]

約数ペア:

[(1, 20123998038), (2, 10061999019), (3, 6707999346), (6, 3353999673), (9, 2235999782), (18, 1117999891), (73, 275671206), (146, 137835603), (219, 91890402), (438, 45945201), (479, 42012522), (657, 30630134), (958, 21006261), (1314, 15315067), (1437, 14004174), (2874, 7002087), (4311, 4668058), (8622, 2334029), (31973, 629406), (34967, 575514), (63946, 314703), (69934, 287757), (95919, 209802), (104901, 191838)]