20629728

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{379}}^1$

素因数の和:411

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 49083552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 243, 252, 288, 324, 336, 378, 379, 432, 486, 504, 567, 648, 672, 756, 758, 864, 972, 1008, 1134, 1137, 1296, 1512, 1516, 1701, 1944, 2016, 2268, 2274, 2592, 2653, 3024, 3032, 3402, 3411, 3888, 4536, 4548, 5306, 6048, 6064, 6804, 6822, 7776, 7959, 9072, 9096, 10233, 10612, 12128, 13608, 13644, 15918, 18144, 18192, 20466, 21224, 23877, 27216, 27288, 30699, 31836, 36384, 40932, 42448, 47754, 54432, 54576, 61398, 63672, 71631, 81864, 84896, 92097, 95508, 109152, 122796, 127344, 143262, 163728, 184194, 191016, 214893, 245592, 254688, 286524, 327456, 368388, 382032, 429786, 491184, 573048, 644679, 736776, 764064, 859572, 982368, 1146096, 1289358, 1473552, 1719144, 2292192, 2578716, 2947104, 3438288, 5157432, 6876576, 10314864, 20629728]

約数ペア:

[(1, 20629728), (2, 10314864), (3, 6876576), (4, 5157432), (6, 3438288), (7, 2947104), (8, 2578716), (9, 2292192), (12, 1719144), (14, 1473552), (16, 1289358), (18, 1146096), (21, 982368), (24, 859572), (27, 764064), (28, 736776), (32, 644679), (36, 573048), (42, 491184), (48, 429786), (54, 382032), (56, 368388), (63, 327456), (72, 286524), (81, 254688), (84, 245592), (96, 214893), (108, 191016), (112, 184194), (126, 163728), (144, 143262), (162, 127344), (168, 122796), (189, 109152), (216, 95508), (224, 92097), (243, 84896), (252, 81864), (288, 71631), (324, 63672), (336, 61398), (378, 54576), (379, 54432), (432, 47754), (486, 42448), (504, 40932), (567, 36384), (648, 31836), (672, 30699), (756, 27288), (758, 27216), (864, 23877), (972, 21224), (1008, 20466), (1134, 18192), (1137, 18144), (1296, 15918), (1512, 13644), (1516, 13608), (1701, 12128), (1944, 10612), (2016, 10233), (2268, 9096), (2274, 9072), (2592, 7959), (2653, 7776), (3024, 6822), (3032, 6804), (3402, 6064), (3411, 6048), (3888, 5306), (4536, 4548)]