20213882577

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1\times {\mathrm{5237}}^1$

素因数の和:5758

約数の個数: 48

約数和(自身を含む): 33652599552

約数和(自身を除く): 13438716975

約数列:

[1, 3, 7, 9, 21, 63, 197, 311, 591, 933, 1379, 1773, 2177, 2799, 4137, 5237, 6531, 12411, 15711, 19593, 36659, 47133, 61267, 109977, 183801, 329931, 428869, 551403, 1031689, 1286607, 1628707, 3095067, 3859821, 4886121, 7221823, 9285201, 11400949, 14658363, 21665469, 34202847, 64996407, 102608541, 320855279, 962565837, 2245986953, 2887697511, 6737960859, 20213882577]

約数ペア:

[(1, 20213882577), (3, 6737960859), (7, 2887697511), (9, 2245986953), (21, 962565837), (63, 320855279), (197, 102608541), (311, 64996407), (591, 34202847), (933, 21665469), (1379, 14658363), (1773, 11400949), (2177, 9285201), (2799, 7221823), (4137, 4886121), (5237, 3859821), (6531, 3095067), (12411, 1628707), (15711, 1286607), (19593, 1031689), (36659, 551403), (47133, 428869), (61267, 329931), (109977, 183801)]