20324752

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 45532800

約数和(自身を除く): 25208048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2039, 2492, 4078, 4984, 8156, 9968, 14273, 16312, 28546, 32624, 57092, 114184, 181471, 228368, 362942, 725884, 1270297, 1451768, 2540594, 2903536, 5081188, 10162376, 20324752]

約数ペア:

[(1, 20324752), (2, 10162376), (4, 5081188), (7, 2903536), (8, 2540594), (14, 1451768), (16, 1270297), (28, 725884), (56, 362942), (89, 228368), (112, 181471), (178, 114184), (356, 57092), (623, 32624), (712, 28546), (1246, 16312), (1424, 14273), (2039, 9968), (2492, 8156), (4078, 4984)]