20443696

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 51385600

約数和(自身を除く): 30941904

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 739, 988, 1064, 1456, 1478, 1729, 1976, 2128, 2956, 3458, 3952, 5173, 5912, 6916, 9607, 10346, 11824, 13832, 14041, 19214, 20692, 27664, 28082, 38428, 41384, 56164, 67249, 76856, 82768, 98287, 112328, 134498, 153712, 182533, 196574, 224656, 268996, 365066, 393148, 537992, 730132, 786296, 1075984, 1277731, 1460264, 1572592, 2555462, 2920528, 5110924, 10221848, 20443696]

約数ペア:

[(1, 20443696), (2, 10221848), (4, 5110924), (7, 2920528), (8, 2555462), (13, 1572592), (14, 1460264), (16, 1277731), (19, 1075984), (26, 786296), (28, 730132), (38, 537992), (52, 393148), (56, 365066), (76, 268996), (91, 224656), (104, 196574), (112, 182533), (133, 153712), (152, 134498), (182, 112328), (208, 98287), (247, 82768), (266, 76856), (304, 67249), (364, 56164), (494, 41384), (532, 38428), (728, 28082), (739, 27664), (988, 20692), (1064, 19214), (1456, 14041), (1478, 13832), (1729, 11824), (1976, 10346), (2128, 9607), (2956, 6916), (3458, 5912), (3952, 5173)]