20032980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 41898540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 127, 132, 165, 220, 239, 254, 330, 381, 478, 508, 635, 660, 717, 762, 956, 1195, 1270, 1397, 1434, 1524, 1905, 2390, 2540, 2629, 2794, 2868, 3585, 3810, 4191, 4780, 5258, 5588, 6985, 7170, 7620, 7887, 8382, 10516, 13145, 13970, 14340, 15774, 16764, 20955, 26290, 27940, 30353, 31548, 39435, 41910, 52580, 60706, 78870, 83820, 91059, 121412, 151765, 157740, 182118, 303530, 333883, 364236, 455295, 607060, 667766, 910590, 1001649, 1335532, 1669415, 1821180, 2003298, 3338830, 4006596, 5008245, 6677660, 10016490, 20032980]

約数ペア:

[(1, 20032980), (2, 10016490), (3, 6677660), (4, 5008245), (5, 4006596), (6, 3338830), (10, 2003298), (11, 1821180), (12, 1669415), (15, 1335532), (20, 1001649), (22, 910590), (30, 667766), (33, 607060), (44, 455295), (55, 364236), (60, 333883), (66, 303530), (110, 182118), (127, 157740), (132, 151765), (165, 121412), (220, 91059), (239, 83820), (254, 78870), (330, 60706), (381, 52580), (478, 41910), (508, 39435), (635, 31548), (660, 30353), (717, 27940), (762, 26290), (956, 20955), (1195, 16764), (1270, 15774), (1397, 14340), (1434, 13970), (1524, 13145), (1905, 10516), (2390, 8382), (2540, 7887), (2629, 7620), (2794, 7170), (2868, 6985), (3585, 5588), (3810, 5258), (4191, 4780)]