20314784

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 46267200

約数和(自身を除く): 25952416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 1019, 1246, 1424, 2038, 2492, 2848, 4076, 4984, 7133, 8152, 9968, 14266, 16304, 19936, 28532, 32608, 57064, 90691, 114128, 181382, 228256, 362764, 634837, 725528, 1269674, 1451056, 2539348, 2902112, 5078696, 10157392, 20314784]

約数ペア:

[(1, 20314784), (2, 10157392), (4, 5078696), (7, 2902112), (8, 2539348), (14, 1451056), (16, 1269674), (28, 725528), (32, 634837), (56, 362764), (89, 228256), (112, 181382), (178, 114128), (224, 90691), (356, 57064), (623, 32608), (712, 28532), (1019, 19936), (1246, 16304), (1424, 14266), (2038, 9968), (2492, 8152), (2848, 7133), (4076, 4984)]