20903676

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 52867584

約数和(自身を除く): 31963908

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2383, 2924, 4386, 4766, 7149, 8772, 9532, 14298, 28596, 40511, 81022, 102469, 121533, 162044, 204938, 243066, 307407, 409876, 486132, 614814, 1229628, 1741973, 3483946, 5225919, 6967892, 10451838, 20903676]

約数ペア:

[(1, 20903676), (2, 10451838), (3, 6967892), (4, 5225919), (6, 3483946), (12, 1741973), (17, 1229628), (34, 614814), (43, 486132), (51, 409876), (68, 307407), (86, 243066), (102, 204938), (129, 162044), (172, 121533), (204, 102469), (258, 81022), (516, 40511), (731, 28596), (1462, 14298), (2193, 9532), (2383, 8772), (2924, 7149), (4386, 4766)]