20803832

素因数分解:

$2^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 46060560

約数和(自身を除く): 25256728

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 392, 511, 584, 727, 1022, 1454, 2044, 2908, 3577, 4088, 5089, 5816, 7154, 10178, 14308, 20356, 28616, 35623, 40712, 53071, 71246, 106142, 142492, 212284, 284984, 371497, 424568, 742994, 1485988, 2600479, 2971976, 5200958, 10401916, 20803832]

約数ペア:

[(1, 20803832), (2, 10401916), (4, 5200958), (7, 2971976), (8, 2600479), (14, 1485988), (28, 742994), (49, 424568), (56, 371497), (73, 284984), (98, 212284), (146, 142492), (196, 106142), (292, 71246), (392, 53071), (511, 40712), (584, 35623), (727, 28616), (1022, 20356), (1454, 14308), (2044, 10178), (2908, 7154), (3577, 5816), (4088, 5089)]