20631144285

素因数分解:

$3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2256

約数の個数: 80

約数和(自身を含む): 37470799872

約数和(自身を除く): 16839655587

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 211, 381, 405, 633, 635, 1055, 1143, 1899, 1901, 1905, 3165, 3429, 5697, 5703, 5715, 9495, 9505, 10287, 17091, 17109, 17145, 26797, 28485, 28515, 51327, 51435, 80391, 85455, 85545, 133985, 153981, 241173, 241427, 256635, 401111, 401955, 723519, 724281, 769905, 1203333, 1205865, 1207135, 2005555, 2170557, 2172843, 3609999, 3617595, 3621405, 6016665, 6518529, 10829997, 10852785, 10864215, 18049995, 19555587, 32489991, 32592645, 50941097, 54149985, 97777935, 152823291, 162449955, 254705485, 458469873, 764116455, 1375409619, 2292349365, 4126228857, 6877048095, 20631144285]

約数ペア:

[(1, 20631144285), (3, 6877048095), (5, 4126228857), (9, 2292349365), (15, 1375409619), (27, 764116455), (45, 458469873), (81, 254705485), (127, 162449955), (135, 152823291), (211, 97777935), (381, 54149985), (405, 50941097), (633, 32592645), (635, 32489991), (1055, 19555587), (1143, 18049995), (1899, 10864215), (1901, 10852785), (1905, 10829997), (3165, 6518529), (3429, 6016665), (5697, 3621405), (5703, 3617595), (5715, 3609999), (9495, 2172843), (9505, 2170557), (10287, 2005555), (17091, 1207135), (17109, 1205865), (17145, 1203333), (26797, 769905), (28485, 724281), (28515, 723519), (51327, 401955), (51435, 401111), (80391, 256635), (85455, 241427), (85545, 241173), (133985, 153981)]