20177244549

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{11783}}^1$

素因数の和:12167

約数の個数: 72

約数和(自身を含む): 37093298112

約数和(自身を除く): 16916053563

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 353, 441, 539, 693, 1059, 1617, 2471, 3177, 3883, 4851, 7413, 11649, 11783, 17297, 22239, 27181, 34947, 35349, 51891, 81543, 82481, 106047, 129613, 155673, 190267, 244629, 247443, 388839, 570801, 577367, 742329, 907291, 1166517, 1712403, 1732101, 2721873, 4159399, 5196303, 6351037, 8165619, 12478197, 19053111, 29115793, 37434591, 45753389, 57159333, 87347379, 137260167, 203810551, 262042137, 320273723, 411780501, 611431653, 960821169, 1834294959, 2241916061, 2882463507, 6725748183, 20177244549]

約数ペア:

[(1, 20177244549), (3, 6725748183), (7, 2882463507), (9, 2241916061), (11, 1834294959), (21, 960821169), (33, 611431653), (49, 411780501), (63, 320273723), (77, 262042137), (99, 203810551), (147, 137260167), (231, 87347379), (353, 57159333), (441, 45753389), (539, 37434591), (693, 29115793), (1059, 19053111), (1617, 12478197), (2471, 8165619), (3177, 6351037), (3883, 5196303), (4851, 4159399), (7413, 2721873), (11649, 1732101), (11783, 1712403), (17297, 1166517), (22239, 907291), (27181, 742329), (34947, 577367), (35349, 570801), (51891, 388839), (81543, 247443), (82481, 244629), (106047, 190267), (129613, 155673)]