20479004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 44556288

約数和(自身を除く): 24077284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 182, 254, 364, 443, 508, 886, 889, 1651, 1772, 1778, 3101, 3302, 3556, 5759, 6202, 6604, 11518, 11557, 12404, 23036, 23114, 40313, 46228, 56261, 80626, 112522, 161252, 225044, 393827, 731393, 787654, 1462786, 1575308, 2925572, 5119751, 10239502, 20479004]

約数ペア:

[(1, 20479004), (2, 10239502), (4, 5119751), (7, 2925572), (13, 1575308), (14, 1462786), (26, 787654), (28, 731393), (52, 393827), (91, 225044), (127, 161252), (182, 112522), (254, 80626), (364, 56261), (443, 46228), (508, 40313), (886, 23114), (889, 23036), (1651, 12404), (1772, 11557), (1778, 11518), (3101, 6604), (3302, 6202), (3556, 5759)]