20484216

素因数分解:

$2^3\times 3^2\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 55724760

約数和(自身を除く): 35240544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 293, 586, 879, 971, 1172, 1758, 1942, 2344, 2637, 2913, 3516, 3884, 5274, 5826, 7032, 7768, 8739, 10548, 11652, 17478, 21096, 23304, 34956, 69912, 284503, 569006, 853509, 1138012, 1707018, 2276024, 2560527, 3414036, 5121054, 6828072, 10242108, 20484216]

約数ペア:

[(1, 20484216), (2, 10242108), (3, 6828072), (4, 5121054), (6, 3414036), (8, 2560527), (9, 2276024), (12, 1707018), (18, 1138012), (24, 853509), (36, 569006), (72, 284503), (293, 69912), (586, 34956), (879, 23304), (971, 21096), (1172, 17478), (1758, 11652), (1942, 10548), (2344, 8739), (2637, 7768), (2913, 7032), (3516, 5826), (3884, 5274)]