20565723976

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{261757}}^1$

素因数の和:261854

約数の個数: 64

約数和(自身を含む): 46739508480

約数和(自身を除く): 26173784504

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 161, 184, 244, 322, 427, 488, 644, 854, 1288, 1403, 1708, 2806, 3416, 5612, 9821, 11224, 19642, 39284, 78568, 261757, 523514, 1047028, 1832299, 2094056, 3664598, 6020411, 7329196, 12040822, 14658392, 15967177, 24081644, 31934354, 42142877, 48163288, 63868708, 84285754, 111770239, 127737416, 168571508, 223540478, 337143016, 367245071, 447080956, 734490142, 894161912, 1468980284, 2570715497, 2937960568, 5141430994, 10282861988, 20565723976]

約数ペア:

[(1, 20565723976), (2, 10282861988), (4, 5141430994), (7, 2937960568), (8, 2570715497), (14, 1468980284), (23, 894161912), (28, 734490142), (46, 447080956), (56, 367245071), (61, 337143016), (92, 223540478), (122, 168571508), (161, 127737416), (184, 111770239), (244, 84285754), (322, 63868708), (427, 48163288), (488, 42142877), (644, 31934354), (854, 24081644), (1288, 15967177), (1403, 14658392), (1708, 12040822), (2806, 7329196), (3416, 6020411), (5612, 3664598), (9821, 2094056), (11224, 1832299), (19642, 1047028), (39284, 523514), (78568, 261757)]