20188759955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{13249}}^1$

素因数の和:13488

約数の個数: 64

約数和(自身を含む): 31733856000

約数和(自身を除く): 11545096045

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 197, 221, 455, 595, 985, 1105, 1379, 1547, 2561, 3349, 6895, 7735, 12805, 13249, 16745, 17927, 23443, 43537, 66245, 89635, 92743, 117215, 172237, 217685, 225233, 304759, 463715, 861185, 1126165, 1205659, 1523795, 1576631, 2610053, 2928029, 6028295, 7883155, 13050265, 14640145, 18270371, 20496203, 33930689, 44370901, 91351855, 102481015, 169653445, 221854505, 237514823, 310596307, 576821713, 1187574115, 1552981535, 2884108565, 4037751991, 20188759955]

約数ペア:

[(1, 20188759955), (5, 4037751991), (7, 2884108565), (13, 1552981535), (17, 1187574115), (35, 576821713), (65, 310596307), (85, 237514823), (91, 221854505), (119, 169653445), (197, 102481015), (221, 91351855), (455, 44370901), (595, 33930689), (985, 20496203), (1105, 18270371), (1379, 14640145), (1547, 13050265), (2561, 7883155), (3349, 6028295), (6895, 2928029), (7735, 2610053), (12805, 1576631), (13249, 1523795), (16745, 1205659), (17927, 1126165), (23443, 861185), (43537, 463715), (66245, 304759), (89635, 225233), (92743, 217685), (117215, 172237)]