20217094785

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1\times {\mathrm{11369}}^1$

素因数の和:12342

約数の個数: 48

約数和(自身を含む): 35900092800

約数和(自身を除く): 15682998015

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 919, 1935, 2757, 4595, 8271, 11369, 13785, 34107, 39517, 41355, 56845, 102321, 118551, 170535, 197585, 355653, 488867, 511605, 592755, 1466601, 1778265, 2444335, 4399803, 7333005, 10448111, 21999015, 31344333, 52240555, 94032999, 156721665, 449268773, 470164995, 1347806319, 2246343865, 4043418957, 6739031595, 20217094785]

約数ペア:

[(1, 20217094785), (3, 6739031595), (5, 4043418957), (9, 2246343865), (15, 1347806319), (43, 470164995), (45, 449268773), (129, 156721665), (215, 94032999), (387, 52240555), (645, 31344333), (919, 21999015), (1935, 10448111), (2757, 7333005), (4595, 4399803), (8271, 2444335), (11369, 1778265), (13785, 1466601), (34107, 592755), (39517, 511605), (41355, 488867), (56845, 355653), (102321, 197585), (118551, 170535)]