20594460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 39724260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 67, 94, 109, 134, 141, 188, 201, 218, 235, 268, 282, 327, 335, 402, 436, 470, 545, 564, 654, 670, 705, 804, 940, 1005, 1090, 1308, 1340, 1410, 1635, 2010, 2180, 2820, 3149, 3270, 4020, 5123, 6298, 6540, 7303, 9447, 10246, 12596, 14606, 15369, 15745, 18894, 20492, 21909, 25615, 29212, 30738, 31490, 36515, 37788, 43818, 47235, 51230, 61476, 62980, 73030, 76845, 87636, 94470, 102460, 109545, 146060, 153690, 188940, 219090, 307380, 343241, 438180, 686482, 1029723, 1372964, 1716205, 2059446, 3432410, 4118892, 5148615, 6864820, 10297230, 20594460]

約数ペア:

[(1, 20594460), (2, 10297230), (3, 6864820), (4, 5148615), (5, 4118892), (6, 3432410), (10, 2059446), (12, 1716205), (15, 1372964), (20, 1029723), (30, 686482), (47, 438180), (60, 343241), (67, 307380), (94, 219090), (109, 188940), (134, 153690), (141, 146060), (188, 109545), (201, 102460), (218, 94470), (235, 87636), (268, 76845), (282, 73030), (327, 62980), (335, 61476), (402, 51230), (436, 47235), (470, 43818), (545, 37788), (564, 36515), (654, 31490), (670, 30738), (705, 29212), (804, 25615), (940, 21909), (1005, 20492), (1090, 18894), (1308, 15745), (1340, 15369), (1410, 14606), (1635, 12596), (2010, 10246), (2180, 9447), (2820, 7303), (3149, 6540), (3270, 6298), (4020, 5123)]