20199564

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 144

約数和(自身を含む): 66648960

約数和(自身を除く): 46449396

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 84, 98, 99, 108, 126, 132, 147, 154, 189, 196, 198, 231, 252, 294, 297, 308, 347, 378, 396, 441, 462, 539, 588, 594, 693, 694, 756, 882, 924, 1041, 1078, 1188, 1323, 1386, 1388, 1617, 1764, 2079, 2082, 2156, 2429, 2646, 2772, 3123, 3234, 3817, 4158, 4164, 4851, 4858, 5292, 6246, 6468, 7287, 7634, 8316, 9369, 9702, 9716, 11451, 12492, 14553, 14574, 15268, 17003, 18738, 19404, 21861, 22902, 26719, 29106, 29148, 34006, 34353, 37476, 43722, 45804, 51009, 53438, 58212, 65583, 68012, 68706, 80157, 87444, 102018, 103059, 106876, 131166, 137412, 153027, 160314, 187033, 204036, 206118, 240471, 262332, 306054, 320628, 374066, 412236, 459081, 480942, 561099, 612108, 721413, 748132, 918162, 961884, 1122198, 1442826, 1683297, 1836324, 2244396, 2885652, 3366594, 5049891, 6733188, 10099782, 20199564]

約数ペア:

[(1, 20199564), (2, 10099782), (3, 6733188), (4, 5049891), (6, 3366594), (7, 2885652), (9, 2244396), (11, 1836324), (12, 1683297), (14, 1442826), (18, 1122198), (21, 961884), (22, 918162), (27, 748132), (28, 721413), (33, 612108), (36, 561099), (42, 480942), (44, 459081), (49, 412236), (54, 374066), (63, 320628), (66, 306054), (77, 262332), (84, 240471), (98, 206118), (99, 204036), (108, 187033), (126, 160314), (132, 153027), (147, 137412), (154, 131166), (189, 106876), (196, 103059), (198, 102018), (231, 87444), (252, 80157), (294, 68706), (297, 68012), (308, 65583), (347, 58212), (378, 53438), (396, 51009), (441, 45804), (462, 43722), (539, 37476), (588, 34353), (594, 34006), (693, 29148), (694, 29106), (756, 26719), (882, 22902), (924, 21861), (1041, 19404), (1078, 18738), (1188, 17003), (1323, 15268), (1386, 14574), (1388, 14553), (1617, 12492), (1764, 11451), (2079, 9716), (2082, 9702), (2156, 9369), (2429, 8316), (2646, 7634), (2772, 7287), (3123, 6468), (3234, 6246), (3817, 5292), (4158, 4858), (4164, 4851)]