20273488

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 21241712

約数列:

[1, 2, 4, 8, 16, 23, 46, 89, 92, 178, 184, 356, 368, 619, 712, 1238, 1424, 2047, 2476, 4094, 4952, 8188, 9904, 14237, 16376, 28474, 32752, 55091, 56948, 110182, 113896, 220364, 227792, 440728, 881456, 1267093, 2534186, 5068372, 10136744, 20273488]

約数ペア:

[(1, 20273488), (2, 10136744), (4, 5068372), (8, 2534186), (16, 1267093), (23, 881456), (46, 440728), (89, 227792), (92, 220364), (178, 113896), (184, 110182), (356, 56948), (368, 55091), (619, 32752), (712, 28474), (1238, 16376), (1424, 14237), (2047, 9904), (2476, 8188), (4094, 4952)]