20636448

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 65155104

約数和(自身を除く): 44518656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 49, 56, 82, 84, 96, 98, 107, 112, 123, 147, 164, 168, 196, 214, 224, 246, 287, 294, 321, 328, 336, 392, 428, 492, 574, 588, 642, 656, 672, 749, 784, 856, 861, 984, 1148, 1176, 1284, 1312, 1498, 1568, 1712, 1722, 1968, 2009, 2247, 2296, 2352, 2568, 2996, 3424, 3444, 3936, 4018, 4387, 4494, 4592, 4704, 5136, 5243, 5992, 6027, 6888, 8036, 8774, 8988, 9184, 10272, 10486, 11984, 12054, 13161, 13776, 15729, 16072, 17548, 17976, 20972, 23968, 24108, 26322, 27552, 30709, 31458, 32144, 35096, 35952, 41944, 48216, 52644, 61418, 62916, 64288, 70192, 71904, 83888, 92127, 96432, 105288, 122836, 125832, 140384, 167776, 184254, 192864, 210576, 214963, 245672, 251664, 368508, 421152, 429926, 491344, 503328, 644889, 737016, 859852, 982688, 1289778, 1474032, 1719704, 2579556, 2948064, 3439408, 5159112, 6878816, 10318224, 20636448]

約数ペア:

[(1, 20636448), (2, 10318224), (3, 6878816), (4, 5159112), (6, 3439408), (7, 2948064), (8, 2579556), (12, 1719704), (14, 1474032), (16, 1289778), (21, 982688), (24, 859852), (28, 737016), (32, 644889), (41, 503328), (42, 491344), (48, 429926), (49, 421152), (56, 368508), (82, 251664), (84, 245672), (96, 214963), (98, 210576), (107, 192864), (112, 184254), (123, 167776), (147, 140384), (164, 125832), (168, 122836), (196, 105288), (214, 96432), (224, 92127), (246, 83888), (287, 71904), (294, 70192), (321, 64288), (328, 62916), (336, 61418), (392, 52644), (428, 48216), (492, 41944), (574, 35952), (588, 35096), (642, 32144), (656, 31458), (672, 30709), (749, 27552), (784, 26322), (856, 24108), (861, 23968), (984, 20972), (1148, 17976), (1176, 17548), (1284, 16072), (1312, 15729), (1498, 13776), (1568, 13161), (1712, 12054), (1722, 11984), (1968, 10486), (2009, 10272), (2247, 9184), (2296, 8988), (2352, 8774), (2568, 8036), (2996, 6888), (3424, 6027), (3444, 5992), (3936, 5243), (4018, 5136), (4387, 4704), (4494, 4592)]