20056872

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 59875200

約数和(自身を除く): 39818328

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 41, 44, 51, 66, 68, 82, 88, 102, 109, 123, 132, 136, 164, 187, 204, 218, 246, 264, 327, 328, 374, 408, 436, 451, 492, 561, 654, 697, 748, 872, 902, 984, 1122, 1199, 1308, 1353, 1394, 1496, 1804, 1853, 2091, 2244, 2398, 2616, 2706, 2788, 3597, 3608, 3706, 4182, 4469, 4488, 4796, 5412, 5559, 5576, 7194, 7412, 7667, 8364, 8938, 9592, 10824, 11118, 13407, 14388, 14824, 15334, 16728, 17876, 20383, 22236, 23001, 26814, 28776, 30668, 35752, 40766, 44472, 46002, 49159, 53628, 61149, 61336, 75973, 81532, 92004, 98318, 107256, 122298, 147477, 151946, 163064, 184008, 196636, 227919, 244596, 294954, 303892, 393272, 455838, 489192, 589908, 607784, 835703, 911676, 1179816, 1671406, 1823352, 2507109, 3342812, 5014218, 6685624, 10028436, 20056872]

約数ペア:

[(1, 20056872), (2, 10028436), (3, 6685624), (4, 5014218), (6, 3342812), (8, 2507109), (11, 1823352), (12, 1671406), (17, 1179816), (22, 911676), (24, 835703), (33, 607784), (34, 589908), (41, 489192), (44, 455838), (51, 393272), (66, 303892), (68, 294954), (82, 244596), (88, 227919), (102, 196636), (109, 184008), (123, 163064), (132, 151946), (136, 147477), (164, 122298), (187, 107256), (204, 98318), (218, 92004), (246, 81532), (264, 75973), (327, 61336), (328, 61149), (374, 53628), (408, 49159), (436, 46002), (451, 44472), (492, 40766), (561, 35752), (654, 30668), (697, 28776), (748, 26814), (872, 23001), (902, 22236), (984, 20383), (1122, 17876), (1199, 16728), (1308, 15334), (1353, 14824), (1394, 14388), (1496, 13407), (1804, 11118), (1853, 10824), (2091, 9592), (2244, 8938), (2398, 8364), (2616, 7667), (2706, 7412), (2788, 7194), (3597, 5576), (3608, 5559), (3706, 5412), (4182, 4796), (4469, 4488)]