20644919904

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{9907}}^1$

素因数の和:10377

約数の個数: 144

約数和(自身を含む): 63189419328

約数和(自身を除く): 42544499424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 443, 588, 672, 784, 886, 1176, 1329, 1568, 1772, 2352, 2658, 3101, 3544, 4704, 5316, 6202, 7088, 9303, 9907, 10632, 12404, 14176, 18606, 19814, 21264, 21707, 24808, 29721, 37212, 39628, 42528, 43414, 49616, 59442, 65121, 69349, 74424, 79256, 86828, 99232, 118884, 130242, 138698, 148848, 158512, 173656, 208047, 237768, 260484, 277396, 297696, 317024, 347312, 416094, 475536, 485443, 520968, 554792, 694624, 832188, 951072, 970886, 1041936, 1109584, 1456329, 1664376, 1941772, 2083872, 2219168, 2912658, 3328752, 3883544, 4388801, 5825316, 6657504, 7767088, 8777602, 11650632, 13166403, 15534176, 17555204, 23301264, 26332806, 30721607, 35110408, 46602528, 52665612, 61443214, 70220816, 92164821, 105331224, 122886428, 140441632, 184329642, 210662448, 215051249, 245772856, 368659284, 421324896, 430102498, 491545712, 645153747, 737318568, 860204996, 983091424, 1290307494, 1474637136, 1720409992, 2580614988, 2949274272, 3440819984, 5161229976, 6881639968, 10322459952, 20644919904]

約数ペア:

[(1, 20644919904), (2, 10322459952), (3, 6881639968), (4, 5161229976), (6, 3440819984), (7, 2949274272), (8, 2580614988), (12, 1720409992), (14, 1474637136), (16, 1290307494), (21, 983091424), (24, 860204996), (28, 737318568), (32, 645153747), (42, 491545712), (48, 430102498), (49, 421324896), (56, 368659284), (84, 245772856), (96, 215051249), (98, 210662448), (112, 184329642), (147, 140441632), (168, 122886428), (196, 105331224), (224, 92164821), (294, 70220816), (336, 61443214), (392, 52665612), (443, 46602528), (588, 35110408), (672, 30721607), (784, 26332806), (886, 23301264), (1176, 17555204), (1329, 15534176), (1568, 13166403), (1772, 11650632), (2352, 8777602), (2658, 7767088), (3101, 6657504), (3544, 5825316), (4704, 4388801), (5316, 3883544), (6202, 3328752), (7088, 2912658), (9303, 2219168), (9907, 2083872), (10632, 1941772), (12404, 1664376), (14176, 1456329), (18606, 1109584), (19814, 1041936), (21264, 970886), (21707, 951072), (24808, 832188), (29721, 694624), (37212, 554792), (39628, 520968), (42528, 485443), (43414, 475536), (49616, 416094), (59442, 347312), (65121, 317024), (69349, 297696), (74424, 277396), (79256, 260484), (86828, 237768), (99232, 208047), (118884, 173656), (130242, 158512), (138698, 148848)]