20565209826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{239671}}^1$

素因数の和:239916

約数の個数: 64

約数和(自身を含む): 52459407360

約数和(自身を除く): 31894197534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 227, 378, 454, 681, 1362, 1589, 2043, 3178, 4086, 4767, 6129, 9534, 12258, 14301, 28602, 42903, 85806, 239671, 479342, 719013, 1438026, 1677697, 2157039, 3355394, 4314078, 5033091, 6471117, 10066182, 12942234, 15099273, 30198546, 45297819, 54405317, 90595638, 108810634, 163215951, 326431902, 380837219, 489647853, 761674438, 979295706, 1142511657, 1468943559, 2285023314, 2937887118, 3427534971, 6855069942, 10282604913, 20565209826]

約数ペア:

[(1, 20565209826), (2, 10282604913), (3, 6855069942), (6, 3427534971), (7, 2937887118), (9, 2285023314), (14, 1468943559), (18, 1142511657), (21, 979295706), (27, 761674438), (42, 489647853), (54, 380837219), (63, 326431902), (126, 163215951), (189, 108810634), (227, 90595638), (378, 54405317), (454, 45297819), (681, 30198546), (1362, 15099273), (1589, 12942234), (2043, 10066182), (3178, 6471117), (4086, 5033091), (4767, 4314078), (6129, 3355394), (9534, 2157039), (12258, 1677697), (14301, 1438026), (28602, 719013), (42903, 479342), (85806, 239671)]