20163095337

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{42641}}^1$

素因数の和:42774

約数の個数: 64

約数和(自身を含む): 35368980480

約数和(自身を除く): 15205885143

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 89, 161, 231, 253, 267, 483, 623, 759, 979, 1771, 1869, 2047, 2937, 5313, 6141, 6853, 14329, 20559, 22517, 42641, 42987, 67551, 127923, 157619, 298487, 469051, 472857, 895461, 980743, 1407153, 2942229, 3283357, 3795049, 6865201, 9850071, 10788173, 11385147, 20595603, 26565343, 32364519, 41745539, 75517211, 79696029, 87286127, 125236617, 226551633, 261858381, 292218773, 611002889, 876656319, 960147397, 1833008667, 2880442191, 6721031779, 20163095337]

約数ペア:

[(1, 20163095337), (3, 6721031779), (7, 2880442191), (11, 1833008667), (21, 960147397), (23, 876656319), (33, 611002889), (69, 292218773), (77, 261858381), (89, 226551633), (161, 125236617), (231, 87286127), (253, 79696029), (267, 75517211), (483, 41745539), (623, 32364519), (759, 26565343), (979, 20595603), (1771, 11385147), (1869, 10788173), (2047, 9850071), (2937, 6865201), (5313, 3795049), (6141, 3283357), (6853, 2942229), (14329, 1407153), (20559, 980743), (22517, 895461), (42641, 472857), (42987, 469051), (67551, 298487), (127923, 157619)]