20856880030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1\times {\mathrm{4967}}^1$

素因数の和:5473

約数の個数: 64

約数和(自身を含む): 43266908160

約数和(自身を除く): 22410028130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 269, 446, 538, 1115, 1345, 1561, 1883, 2230, 2690, 3122, 3766, 4967, 7805, 9415, 9934, 15610, 18830, 24835, 34769, 49670, 59987, 69538, 119974, 173845, 299935, 347690, 419909, 599870, 839818, 1107641, 1336123, 2099545, 2215282, 2672246, 4199090, 5538205, 6680615, 7753487, 9352861, 11076410, 13361230, 15506974, 18705722, 38767435, 46764305, 77534870, 93528610, 297955429, 595910858, 1489777145, 2085688003, 2979554290, 4171376006, 10428440015, 20856880030]

約数ペア:

[(1, 20856880030), (2, 10428440015), (5, 4171376006), (7, 2979554290), (10, 2085688003), (14, 1489777145), (35, 595910858), (70, 297955429), (223, 93528610), (269, 77534870), (446, 46764305), (538, 38767435), (1115, 18705722), (1345, 15506974), (1561, 13361230), (1883, 11076410), (2230, 9352861), (2690, 7753487), (3122, 6680615), (3766, 5538205), (4967, 4199090), (7805, 2672246), (9415, 2215282), (9934, 2099545), (15610, 1336123), (18830, 1107641), (24835, 839818), (34769, 599870), (49670, 419909), (59987, 347690), (69538, 299935), (119974, 173845)]